diff --git a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
index 9738e1958e2..427200ba63e 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
@@ -140,14 +140,15 @@ public class KotlinCompiler {
                 environment.setStdlib(arguments.stdlib);
             }
 
+            boolean ok;
             if (arguments.module != null) {
-                environment.compileModuleScript(arguments.module, arguments.jar, arguments.outputDir, arguments.includeRuntime);
+                ok = environment.compileModuleScript(arguments.module, arguments.jar, arguments.outputDir, arguments.includeRuntime);
             }
             else {
-                environment.compileBunchOfSources(arguments.src, arguments.jar, arguments.outputDir, arguments.includeRuntime);
+                ok = environment.compileBunchOfSources(arguments.src, arguments.jar, arguments.outputDir, arguments.includeRuntime);
             }
 
-            return 0;
+            return ok ? 0 : 1;
         }
         catch (Throwable t) {
             errStream.println(messageRenderer.renderException(t));