diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java
index 04321da4d48d..f4e2b1452ea0 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java
@@ -60,7 +60,7 @@ public class MvcModuleStructureSynchronizer extends AbstractProjectComponent {
 
   private long myModificationCount = 0;
 
-  private ModificationTracker myModificationTracker = new ModificationTracker() {
+  private final ModificationTracker myModificationTracker = new ModificationTracker() {
     @Override
     public long getModificationCount() {
       return myModificationCount;