diff --git a/compiler/testData/integration/ant/js/simpleWithoutStdlibAndFolderAsAnotherLib/build.xml b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndFolderAsAnotherLib/build.xml
index d007b8780e5..75089686103 100644
--- a/compiler/testData/integration/ant/js/simpleWithoutStdlibAndFolderAsAnotherLib/build.xml
+++ b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndFolderAsAnotherLib/build.xml
@@ -5,9 +5,9 @@
   <target name="build">
     <mkdir dir="${temp.library.path}"/>
 
-    <kotlin2js src="${library.path}" output="${temp.library.path}/jslib-example.js" metaInfo="${temp.library.path}/jslib-example.meta.js"/>
+    <kotlin2js src="${library.path}" noStdlib="true" output="${temp.library.path}/jslib-example.js" metaInfo="${temp.library.path}/jslib-example.meta.js"/>
 
-    <kotlin2js src="${test.data}/root1" output="${temp}/out.js" main="call">
+    <kotlin2js src="${test.data}/root1" noStdlib="true" output="${temp}/out.js" main="call">
       <library>
         <pathelement path="${temp.library.path}"/>
       </library>
diff --git a/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/build.log.expected b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/build.log.expected
new file mode 100644
index 00000000000..c36a7c11434
--- /dev/null
+++ b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/build.log.expected
@@ -0,0 +1,13 @@
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+    [mkdir] Created dir: [Temp]/lib
+[kotlin2js] Compiling [[TestData]/jslib-example] => [[Temp]/lib/jslib-example.js]
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+     [copy] Copying 2 files to [Temp]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
+Return code: 0
diff --git a/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/build.xml b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/build.xml
new file mode 100644
index 00000000000..fc7fe550f84
--- /dev/null
+++ b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/build.xml
@@ -0,0 +1,22 @@
+<project name="Ant Task Test" default="build">
+  <taskdef resource="org/jetbrains/kotlin/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
+  <property name="library.path" value="${test.data}/jslib-example"/>
+  <property name="temp.library.path" value="${temp}/lib"/>
+  <target name="build">
+    <mkdir dir="${temp.library.path}"/>
+
+    <kotlin2js src="${library.path}" noStdlib="true" output="${temp.library.path}/jslib-example.js" metaInfo="${temp.library.path}/jslib-example.meta.js"/>
+
+    <kotlin2js src="${test.data}/root1" noStdlib="true" output="${temp}/out.js" main="call">
+      <library>
+        <pathelement path="${temp.library.path}/jslib-example.meta.js"/>
+      </library>
+    </kotlin2js>
+    <copy todir="${temp}">
+      <fileset dir="${temp.library.path}">
+        <include name="**/*.js"/>
+        <exclude name="META-INF/**"/>
+      </fileset>
+    </copy>
+  </target>
+</project>
diff --git a/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/jslib-example/LibraryExample.kt b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/jslib-example/LibraryExample.kt
new file mode 100644
index 00000000000..faf1e678458
--- /dev/null
+++ b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/jslib-example/LibraryExample.kt
@@ -0,0 +1,6 @@
+package library.sample
+
+public class ClassA() {
+    val value: Int = 100
+}
+
diff --git a/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/root1/foo.kt b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/root1/foo.kt
new file mode 100644
index 00000000000..c2ddea45024
--- /dev/null
+++ b/compiler/testData/integration/ant/js/simpleWithoutStdlibAndJsFileAsAnotherLib/root1/foo.kt
@@ -0,0 +1,14 @@
+package foo
+
+import library.sample.*
+
+var ok = "FAIL"
+
+fun main(args: Array<String>) {
+    val x = ClassA().value
+    if (x == 100) {
+        ok = "OK"
+    }
+}
+
+fun box(): String = ok
diff --git a/compiler/tests/org/jetbrains/kotlin/integration/AntTaskJsTest.java b/compiler/tests/org/jetbrains/kotlin/integration/AntTaskJsTest.java
index a4b32f8fafa..3fc713efb0d 100644
--- a/compiler/tests/org/jetbrains/kotlin/integration/AntTaskJsTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/integration/AntTaskJsTest.java
@@ -117,6 +117,11 @@ public class AntTaskJsTest extends AntTaskBaseTest {
         doJsAntTest("jslib-example.js");
     }
 
+    @Test
+    public void simpleWithoutStdlibAndJsFileAsAnotherLib() throws Exception {
+        doJsAntTest("jslib-example.js");
+    }
+
     @Test
     public void simpleWithMainFQArgs() throws Exception {
         doJsAntTest();
diff --git a/compiler/util/src/org/jetbrains/kotlin/utils/LibraryUtils.kt b/compiler/util/src/org/jetbrains/kotlin/utils/LibraryUtils.kt
index 458c004d65e..8d7eafc0eec 100644
--- a/compiler/util/src/org/jetbrains/kotlin/utils/LibraryUtils.kt
+++ b/compiler/util/src/org/jetbrains/kotlin/utils/LibraryUtils.kt
@@ -126,8 +126,10 @@ public object LibraryUtils {
                     traverseArchive(lib) { (content, path) ->
                         files.add(content)
                     }
+                lib.getName().endsWith(KotlinJavascriptMetadataUtils.JS_EXT) ->
+                    files.add(FileUtil.loadFile(lib))
                 else ->
-                    throw IllegalArgumentException("Unknown library format (directory or zip expected): $lib")
+                    throw IllegalArgumentException("Unknown library format (directory, zip or js file expected): $lib")
             }
         }