diff --git a/build.xml b/build.xml
index 9b0d02963b6..c962fba9534 100644
--- a/build.xml
+++ b/build.xml
@@ -307,37 +307,6 @@
         </jar>
     </target>
 
-    <target name="jslib-example">
-        <property name="jslib-example-name" value="jslib-example" />
-        <property name="jslib-example-dir" value="${basedir}/compiler/testData/cli/js" />
-
-        <kotlin2js output="${output}/${jslib-example-name}.js" main="noCall">
-            <src>
-                <fileset dir="${jslib-example-dir}">
-                    <include name="LibraryExample.kt" />
-                </fileset>
-            </src>
-        </kotlin2js>
-
-        <jar jarfile="${output}/jslib-example.jar">
-            <fileset dir="${jslib-example-dir}">
-                <include name="LibraryExample.kt" />
-            </fileset>
-            <zipfileset file="${output}/${jslib-example-name}.js" prefix=""/>
-
-            <manifest>
-                <attribute name="Built-By" value="${manifest.impl.vendor}"/>
-
-                <attribute name="Implementation-Vendor" value="${manifest.impl.vendor}"/>
-                <attribute name="Implementation-Version" value="${build.number}"/>
-                <attribute name="Specification-Title" value="${manifest.spec.title.kotlin.javascript.lib}"/>
-                <attribute name="Kotlin-JS-Module-Name" value="${jslib-example-name}"/>
-            </manifest>
-        </jar>
-
-        <unzip src="${output}/jslib-example.jar" dest="${output}/jslib-example" />
-    </target>
-
     <target name="preloader">
         <cleandir dir="${output}/classes/preloader"/>
         <javac2 destdir="${output}/classes/preloader" debug="true" debuglevel="lines,vars,source" includeAntRuntime="false"
diff --git a/compiler/integration-tests/src/org/jetbrains/kotlin/AntTaskJsTest.java b/compiler/integration-tests/src/org/jetbrains/kotlin/AntTaskJsTest.java
index 38d0d0fa192..a507821b6ff 100644
--- a/compiler/integration-tests/src/org/jetbrains/kotlin/AntTaskJsTest.java
+++ b/compiler/integration-tests/src/org/jetbrains/kotlin/AntTaskJsTest.java
@@ -17,6 +17,8 @@
 package org.jetbrains.kotlin;
 
 import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.util.Function;
+import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.k2js.test.rhino.RhinoFunctionResultChecker;
@@ -27,7 +29,9 @@ import org.junit.rules.TestName;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.Collections;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 import static org.junit.Assert.assertTrue;
 
@@ -43,12 +47,20 @@ public class AntTaskJsTest extends AntTaskBaseTest {
         return new File(new File(ANT_TASK_TEST_DATA_BASE_DIR, "js"), name.getMethodName());
     }
 
-    private void doJsAntTest() throws Exception {
+    private void doJsAntTest(String... jsFiles) throws Exception {
         doAntTest(SUCCESSFUL);
 
-        String outputFilePath = getOutputFileByName(JS_OUT_FILE).getAbsolutePath();
-        RhinoUtils.runRhinoTest(Collections.singletonList(outputFilePath),
-                                new RhinoFunctionResultChecker("out", "foo", "box", "OK"));
+        List<String> fileNames = new ArrayList<String>(Arrays.asList(jsFiles));
+        fileNames.add(JS_OUT_FILE);
+
+        List<String> filePaths = ContainerUtil.map(fileNames, new Function<String, String>() {
+            @Override
+            public String fun(String s) {
+                return getOutputFileByName(s).getAbsolutePath();
+            }
+        });
+
+        RhinoUtils.runRhinoTest(filePaths, new RhinoFunctionResultChecker("out", "foo", "box", "OK"));
     }
 
     private void doJsAntTestForPostfixPrefix(@Nullable String prefix, @Nullable String postfix) throws Exception {
@@ -90,6 +102,16 @@ public class AntTaskJsTest extends AntTaskBaseTest {
         doJsAntTest();
     }
 
+    @Test
+    public void simpleWithStdlibAndAnotherLib() throws Exception {
+        doJsAntTest("jslib-example.js");
+    }
+
+    @Test
+    public void simpleWithStdlibAndFolderAsAnotherLib() throws Exception {
+        doJsAntTest("jslib-example.js");
+    }
+
     @Test
     public void simpleWithMainFQArgs() throws Exception {
         doJsAntTest();
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/build.log.expected b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/build.log.expected
new file mode 100644
index 00000000000..ef2906cf7b6
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/build.log.expected
@@ -0,0 +1,11 @@
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+    [unzip] Expanding: [TestData]/jslib-example.jar into [Temp]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
+Return code: 0
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/build.xml b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/build.xml
new file mode 100644
index 00000000000..a4bb60f224f
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/build.xml
@@ -0,0 +1,17 @@
+<project name="Ant Task Test" default="build">
+  <taskdef resource="org/jetbrains/jet/buildtools/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
+  <property name="library.path" value="${test.data}/jslib-example.jar"/>
+  <target name="build">
+    <kotlin2js src="${test.data}/root1" output="${temp}/out.js" main="call">
+      <library>
+        <pathelement path="${library.path}"/>
+      </library>
+    </kotlin2js>
+    <unzip src="${library.path}" dest="${temp}">
+      <patternset>
+        <include name="*.js"/>
+        <exclude name="META-INF/**"/>
+      </patternset>
+    </unzip>
+  </target>
+</project>
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/jslib-example.jar b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/jslib-example.jar
new file mode 100644
index 00000000000..9ab9caad358
Binary files /dev/null and b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/jslib-example.jar differ
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/root1/foo.kt b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/root1/foo.kt
new file mode 100644
index 00000000000..c6da571924b
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/root1/foo.kt
@@ -0,0 +1,14 @@
+package foo
+
+import library.sample.*
+
+var ok = "FAIL"
+
+fun main(args: Array<String>) {
+    val p = Pair(10, 20)
+    val x = pairAdd(p)
+    ok = "OK"
+    println("x=$x")
+}
+
+fun box(): String = ok
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/build.log.expected b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/build.log.expected
new file mode 100644
index 00000000000..f1a7a8e9413
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/build.log.expected
@@ -0,0 +1,11 @@
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+     [copy] Copying 1 file to [Temp]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
+Return code: 0
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/build.xml b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/build.xml
new file mode 100644
index 00000000000..7c2815d2bb2
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/build.xml
@@ -0,0 +1,17 @@
+<project name="Ant Task Test" default="build">
+  <taskdef resource="org/jetbrains/jet/buildtools/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
+  <property name="library.path" value="${test.data}/jslib-example"/>
+  <target name="build">
+    <kotlin2js src="${test.data}/root1" output="${temp}/out.js" main="call">
+      <library>
+        <pathelement path="${library.path}"/>
+      </library>
+    </kotlin2js>
+    <copy todir="${temp}">
+      <fileset dir="${library.path}">
+        <include name="**/*.js"/>
+        <exclude name="META-INF/**"/>
+      </fileset>
+    </copy>
+  </target>
+</project>
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/LibraryExample.kt b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/LibraryExample.kt
new file mode 100644
index 00000000000..28569346084
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/LibraryExample.kt
@@ -0,0 +1,8 @@
+package library.sample
+
+public fun pairAdd(p: Pair<Int, Int>): Int = p.first + p.second
+
+public fun pairMul(p: Pair<Int, Int>): Int = p.first * p.second
+
+public data class IntHolder(val value: Int)
+
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/META-INF/MANIFEST.MF b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/META-INF/MANIFEST.MF
new file mode 100644
index 00000000000..00281ee90c5
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/META-INF/MANIFEST.MF
@@ -0,0 +1,9 @@
+Manifest-Version: 1.0
+Ant-Version: Apache Ant 1.9.1
+Created-By: 1.7.0_72-b14 (Oracle Corporation)
+Built-By: JetBrains
+Implementation-Vendor: JetBrains
+Implementation-Version: snapshot
+Specification-Title: Kotlin JavaScript Lib
+Kotlin-JS-Module-Name: jslib-example
+
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/ReadMe.md b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/ReadMe.md
new file mode 100644
index 00000000000..6c269930b08
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/ReadMe.md
@@ -0,0 +1,6 @@
+# jslib-example
+
+Path to sources: compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example
+
+The archive compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/jslib-example.jar should be updated after
+changing some files in source folder.
\ No newline at end of file
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/jslib-example.js b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/jslib-example.js
new file mode 100644
index 00000000000..8fb2ce81d48
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example/jslib-example.js
@@ -0,0 +1,37 @@
+(function (Kotlin) {
+  'use strict';
+  var _ = Kotlin.defineRootPackage(null, /** @lends _ */ {
+    library: Kotlin.definePackage(null, /** @lends _.library */ {
+      sample: Kotlin.definePackage(null, /** @lends _.library.sample */ {
+        pairAdd_bunuun$: function (p) {
+          return p.first + p.second;
+        },
+        pairMul_bunuun$: function (p) {
+          return p.first * p.second;
+        },
+        IntHolder: Kotlin.createClass(null, function (value) {
+          this.value = value;
+        }, /** @lends _.library.sample.IntHolder.prototype */ {
+          component1: function () {
+            return this.value;
+          },
+          copy_za3lpa$: function (value) {
+            return new _.library.sample.IntHolder(value === void 0 ? this.value : value);
+          },
+          toString: function () {
+            return 'IntHolder(value=' + Kotlin.toString(this.value) + ')';
+          },
+          hashCode: function () {
+            var result = 0;
+            result = result * 31 + Kotlin.hashCode(this.value) | 0;
+            return result;
+          },
+          equals_za3rmp$: function (other) {
+            return this === other || (other !== null && (Object.getPrototypeOf(this) === Object.getPrototypeOf(other) && Kotlin.equals(this.value, other.value)));
+          }
+        })
+      })
+    })
+  });
+  Kotlin.defineModule('jslib-example', _);
+}(Kotlin));
diff --git a/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/root1/foo.kt b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/root1/foo.kt
new file mode 100644
index 00000000000..c6da571924b
--- /dev/null
+++ b/compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/root1/foo.kt
@@ -0,0 +1,14 @@
+package foo
+
+import library.sample.*
+
+var ok = "FAIL"
+
+fun main(args: Array<String>) {
+    val p = Pair(10, 20)
+    val x = pairAdd(p)
+    ok = "OK"
+    println("x=$x")
+}
+
+fun box(): String = ok
diff --git a/compiler/testData/cli/js/withFolderAsLib.args b/compiler/testData/cli/js/withFolderAsLib.args
index 0dcea39b299..7052021ee8b 100644
--- a/compiler/testData/cli/js/withFolderAsLib.args
+++ b/compiler/testData/cli/js/withFolderAsLib.args
@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/withLib.kt
 -library-files
-dist/jslib-example
+compiler/integration-tests/testData/ant/js/simpleWithStdlibAndFolderAsAnotherLib/jslib-example
 -output
 $TEMP_DIR$/out.js
diff --git a/compiler/testData/cli/js/withLib.args b/compiler/testData/cli/js/withLib.args
index ae65dafb653..f9b2ba58947 100644
--- a/compiler/testData/cli/js/withLib.args
+++ b/compiler/testData/cli/js/withLib.args
@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/withLib.kt
 -library-files
-dist/jslib-example.jar
+compiler/integration-tests/testData/ant/js/simpleWithStdlibAndAnotherLib/jslib-example.jar
 -output
 $TEMP_DIR$/out.js