diff --git a/compiler/cli/src/org/jetbrains/jet/compiler/CompileEnvironment.java b/compiler/cli/src/org/jetbrains/jet/compiler/CompileEnvironment.java
index 187e6649fbc..d0caf14f664 100644
--- a/compiler/cli/src/org/jetbrains/jet/compiler/CompileEnvironment.java
+++ b/compiler/cli/src/org/jetbrains/jet/compiler/CompileEnvironment.java
@@ -181,6 +181,8 @@ public class CompileEnvironment {
         final String directory = new File(moduleScriptFile).getParent();
         for (Module moduleBuilder : modules) {
             CompileEnvironment compileEnvironment = new CompileEnvironment(myFileNameTransformer, myMessageRenderer);
+            // copy across any compiler plugins
+            compileEnvironment.getMyEnvironment().getCompilerPlugins().addAll(myEnvironment.getCompilerPlugins());
             ClassFileFactory moduleFactory = compileEnvironment.compileModule(moduleBuilder, directory);
             if (moduleFactory == null) {
                 return false;
@@ -208,7 +210,7 @@ public class CompileEnvironment {
         if (!scriptCompileSession.analyze(myErrorStream, myMessageRenderer)) {
             return null;
         }
-        final ClassFileFactory factory = scriptCompileSession.generate();
+        final ClassFileFactory factory = scriptCompileSession.generate(true);
 
         return runDefineModules(moduleFile, factory);
     }
@@ -267,7 +269,7 @@ public class CompileEnvironment {
         if (!moduleCompileSession.analyze(myErrorStream, myMessageRenderer) && !ignoreErrors) {
             return null;
         }
-        return moduleCompileSession.generate();
+        return moduleCompileSession.generate(false);
     }
 
     public static void writeToJar(ClassFileFactory factory, final OutputStream fos, @Nullable String mainClass, boolean includeRuntime) {
@@ -355,7 +357,7 @@ public class CompileEnvironment {
             return null;
         }
 
-        ClassFileFactory factory = session.generate();
+        ClassFileFactory factory = session.generate(false);
         return new GeneratedClassLoader(factory);
     }
 
@@ -380,7 +382,7 @@ public class CompileEnvironment {
             return false;
         }
 
-        ClassFileFactory factory = session.generate();
+        ClassFileFactory factory = session.generate(false);
         if (jar != null) {
             try {
                 writeToJar(factory, new FileOutputStream(jar), mainClass, includeRuntime);
diff --git a/compiler/cli/src/org/jetbrains/jet/compiler/CompileSession.java b/compiler/cli/src/org/jetbrains/jet/compiler/CompileSession.java
index f67e87e4617..ec53cd8a23b 100644
--- a/compiler/cli/src/org/jetbrains/jet/compiler/CompileSession.java
+++ b/compiler/cli/src/org/jetbrains/jet/compiler/CompileSession.java
@@ -209,16 +209,18 @@ public class CompileSession {
     }
 
     @NotNull
-    public ClassFileFactory generate() {
+    public ClassFileFactory generate(boolean module) {
         Project project = myEnvironment.getProject();
         GenerationState generationState = new GenerationState(project, ClassBuilderFactories.binaries(stubs), myFileNameTransformer);
         generationState.compileCorrectFiles(myBindingContext, mySourceFiles, CompilationErrorHandler.THROW_EXCEPTION, true);
         ClassFileFactory answer = generationState.getFactory();
 
-        List<CompilerPlugin> fileProcessors = myEnvironment.getCompilerPlugins();
-        if (fileProcessors != null) {
-            for (CompilerPlugin processor : fileProcessors) {
-                processor.processFiles(myBindingContext, getSourceFileNamespaces());
+        List<CompilerPlugin> plugins = myEnvironment.getCompilerPlugins();
+        if (!module) {
+            if (plugins != null) {
+                for (CompilerPlugin plugin : plugins) {
+                    plugin.processFiles(myBindingContext, getSourceFileNamespaces());
+                }
             }
         }
         return answer;
diff --git a/compiler/tests/org/jetbrains/jet/codegen/TestlibTest.java b/compiler/tests/org/jetbrains/jet/codegen/TestlibTest.java
index 2336c3e013d..2f999a3d9e1 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/TestlibTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/TestlibTest.java
@@ -89,7 +89,7 @@ public class TestlibTest extends CodegenTestCase {
                 throw new RuntimeException("There were compilation errors");
             }
 
-            ClassFileFactory classFileFactory = session.generate();
+            ClassFileFactory classFileFactory = session.generate(false);
 
             final GeneratedClassLoader loader = new GeneratedClassLoader(
                     classFileFactory,