diff --git a/teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java b/teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java
index ad1dd5412..5c2892d36 100644
--- a/teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java
+++ b/teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java
@@ -33,6 +33,7 @@ import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.annotations.ResolutionScope;
 import org.apache.maven.project.MavenProject;
 import org.teavm.common.ThreadPoolFiniteExecutor;
+import org.teavm.javascript.DirectoryBuildTarget;
 import org.teavm.javascript.JavascriptBuilder;
 import org.teavm.javascript.JavascriptBuilderFactory;
 import org.teavm.model.ClassHolderTransformer;
@@ -69,7 +70,7 @@ public class BuildJavascriptMojo extends AbstractMojo {
     private String mainClass;
 
     @Parameter
-    private boolean runtimeSuppressed;
+    private RuntimeCopyOperation runtime = RuntimeCopyOperation.SEPARATE;
 
     @Parameter
     private boolean mainPageIncluded;
@@ -103,8 +104,8 @@ public class BuildJavascriptMojo extends AbstractMojo {
         this.bytecodeLogging = bytecodeLogging;
     }
 
-    public void setRuntimeSuppressed(boolean runtimeSuppressed) {
-        this.runtimeSuppressed = runtimeSuppressed;
+    public void setRuntimeCopy(RuntimeCopyOperation runtimeCopy) {
+        this.runtime = runtimeCopy;
     }
 
     public void setMainPageIncluded(boolean mainPageIncluded) {
@@ -156,10 +157,16 @@ public class BuildJavascriptMojo extends AbstractMojo {
             builder.entryPoint("main", new MethodReference(mainClass, mainMethodDesc))
                     .withValue(1, "java.lang.String");
             targetDirectory.mkdirs();
-            builder.build(targetDirectory, targetFileName);
-            builder.checkForMissingItems();
-            log.info("JavaScript file successfully built");
-            if (!runtimeSuppressed) {
+            try (FileWriter writer = new FileWriter(new File(targetDirectory, targetFileName))) {
+                if (runtime == RuntimeCopyOperation.MERGED) {
+                    resourceToWriter("org/teavm/javascript/runtime.js", writer);
+                    writer.append("\n");
+                }
+                builder.build(writer, new DirectoryBuildTarget(targetDirectory));
+                builder.checkForMissingItems();
+                log.info("JavaScript file successfully built");
+            }
+            if (runtime == RuntimeCopyOperation.SEPARATE) {
                 resourceToFile("org/teavm/javascript/runtime.js", "runtime.js");
             }
             if (mainPageIncluded) {
@@ -255,4 +262,10 @@ public class BuildJavascriptMojo extends AbstractMojo {
             }
         }
     }
+
+    private void resourceToWriter(String resource, Writer writer) throws IOException {
+        try (InputStream input = BuildJavascriptMojo.class.getClassLoader().getResourceAsStream(resource)) {
+            IOUtils.copy(input, writer, "UTF-8");
+        }
+    }
 }
diff --git a/teavm-maven-plugin/src/main/java/org/teavm/maven/RuntimeCopyOperation.java b/teavm-maven-plugin/src/main/java/org/teavm/maven/RuntimeCopyOperation.java
new file mode 100644
index 000000000..7e8f0f598
--- /dev/null
+++ b/teavm-maven-plugin/src/main/java/org/teavm/maven/RuntimeCopyOperation.java
@@ -0,0 +1,26 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.maven;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public enum RuntimeCopyOperation {
+    SEPARATE,
+    MERGED,
+    NONE
+}