diff --git a/platform/projectModel-impl/src/com/intellij/openapi/module/impl/ModuleManagerImpl.java b/platform/projectModel-impl/src/com/intellij/openapi/module/impl/ModuleManagerImpl.java
index 575f58308f03..c526047f2aee 100644
--- a/platform/projectModel-impl/src/com/intellij/openapi/module/impl/ModuleManagerImpl.java
+++ b/platform/projectModel-impl/src/com/intellij/openapi/module/impl/ModuleManagerImpl.java
@@ -17,8 +17,10 @@
 package com.intellij.openapi.module.impl;
 
 import com.intellij.ProjectTopics;
+import com.intellij.openapi.application.AccessToken;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.application.ModalityState;
+import com.intellij.openapi.application.WriteAction;
 import com.intellij.openapi.components.PersistentStateComponent;
 import com.intellij.openapi.components.ProjectComponent;
 import com.intellij.openapi.diagnostic.Logger;
@@ -179,7 +181,13 @@ public abstract class ModuleManagerImpl extends ModuleManager implements Project
 
       loadModules((ModuleModelImpl)model);
 
-      model.commit();
+      AccessToken token = WriteAction.start();
+      try {
+        model.commit();
+      }
+      finally {
+        token.finish();
+      }
     }
   }