diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerEx.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerEx.java
index 27703ff449cc..b95b94cf323e 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerEx.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerEx.java
@@ -28,4 +28,7 @@ public abstract class ChangeListManagerEx extends ChangeListManager {
   public abstract LocalChangeList getIdentityChangeList(Change change);
   public abstract boolean isInUpdate();
   public abstract Collection<LocalChangeList> getInvolvedListsFilterChanges(final Collection<Change> changes, final List<Change> validChanges);
+
+
+  public abstract void freezeImmediately(@Nullable String reason);
 }
\ No newline at end of file
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerImpl.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerImpl.java
index afb3e88ee848..15e71e12cb1e 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerImpl.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangeListManagerImpl.java
@@ -291,6 +291,7 @@ public class ChangeListManagerImpl extends ChangeListManagerEx implements Projec
     context.suspend();
   }
 
+  @Override
   public void freezeImmediately(@Nullable String reason) {
     myUpdater.setIgnoreBackgroundOperation(false);
     myUpdater.pause();