diff --git a/libraries/tools/kotlin-js-library/pom.xml b/libraries/tools/kotlin-js-library/pom.xml
index 0d717d4e929..e4b650c2ade 100644
--- a/libraries/tools/kotlin-js-library/pom.xml
+++ b/libraries/tools/kotlin-js-library/pom.xml
@@ -79,6 +79,8 @@
 -->
                                     </fileset>
                                 </copy>
+                                <copy tofile="${basedir}/target/generated-js-library/kotlin-maps.js"
+                                      file="${kotlin-js-lib-srcdir}/../../js.translator/testFiles/maps.js"/>
                                 <copy tofile="${basedir}/target/generated-js-library/kotlin-lib.js"
                                       file="${kotlin-js-lib-srcdir}/../../js.translator/testFiles/kotlin_lib.js"/>
                                 <copy tofile="${basedir}/target/generated-js-library/kotlin-lib-ecma3.js"
diff --git a/libraries/tools/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JSCompilerMojo.java b/libraries/tools/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JSCompilerMojo.java
index f7bd001c11b..b6f4c2ec6d2 100644
--- a/libraries/tools/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JSCompilerMojo.java
+++ b/libraries/tools/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JSCompilerMojo.java
@@ -40,6 +40,7 @@ import java.util.List;
  * @noinspection UnusedDeclaration
  */
 public class K2JSCompilerMojo extends KotlinCompileMojo {
+    public static final String KOTLIN_JS_MAPS = "kotlin-maps.js";
     public static final String KOTLIN_JS_LIB = "kotlin-lib.js";
     public static final String KOTLIN_JS_LIB_ECMA3 = "kotlin-lib-ecma3.js";
     public static final String KOTLIN_JS_LIB_ECMA5 = "kotlin-lib-ecma5.js";
@@ -96,6 +97,7 @@ public class K2JSCompilerMojo extends KotlinCompileMojo {
                 StringBuilder builder = new StringBuilder();
                 appendFile(KOTLIN_JS_LIB_ECMA3, builder);
                 appendFile(KOTLIN_JS_LIB, builder);
+                appendFile(KOTLIN_JS_MAPS, builder);
                 builder.append("\n");
                 builder.append(text);
                 Files.write(builder.toString(), file, charset);
@@ -106,6 +108,7 @@ public class K2JSCompilerMojo extends KotlinCompileMojo {
         if (copyLibraryJS != null && copyLibraryJS.booleanValue()) {
             getLog().info("Copying kotlin JS library to " + outputKotlinJSDir);
 
+            copyJsLibraryFile(KOTLIN_JS_MAPS);
             copyJsLibraryFile(KOTLIN_JS_LIB);
             copyJsLibraryFile(KOTLIN_JS_LIB_ECMA3);
             copyJsLibraryFile(KOTLIN_JS_LIB_ECMA5);