diff --git a/platform/lang-impl/src/com/intellij/refactoring/changeSignature/CallerChooserBase.java b/platform/lang-impl/src/com/intellij/refactoring/changeSignature/CallerChooserBase.java
index 7c525027cf0f..909b44799a02 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/changeSignature/CallerChooserBase.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/changeSignature/CallerChooserBase.java
@@ -45,6 +45,7 @@ import com.intellij.util.Query;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.containers.HashSet;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import javax.swing.event.TreeSelectionEvent;
@@ -300,4 +301,9 @@ public abstract class CallerChooserBase<M extends PsiElement> extends DialogWrap
     return myTree;
   }
 
+  @Nullable
+  @Override
+  protected String getDimensionServiceKey() {
+    return "caller.chooser.dialog";
+  }
 }