diff --git a/java/java-impl/src/com/intellij/refactoring/migration/EditMigrationEntryDialog.java b/java/java-impl/src/com/intellij/refactoring/migration/EditMigrationEntryDialog.java
index eb65fd5b04f7..7fe90a84dd10 100644
--- a/java/java-impl/src/com/intellij/refactoring/migration/EditMigrationEntryDialog.java
+++ b/java/java-impl/src/com/intellij/refactoring/migration/EditMigrationEntryDialog.java
@@ -19,7 +19,6 @@ package com.intellij.refactoring.migration;
 import com.intellij.lang.Language;
 import com.intellij.lang.java.JavaLanguage;
 import com.intellij.openapi.editor.Document;
-import com.intellij.openapi.fileTypes.StdFileTypes;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogWrapper;
 import com.intellij.psi.*;
@@ -118,7 +117,7 @@ public class EditMigrationEntryDialog extends DialogWrapper{
     final com.intellij.openapi.editor.event.DocumentAdapter documentAdapter = new com.intellij.openapi.editor.event.DocumentAdapter() {
       @Override
       public void documentChanged(com.intellij.openapi.editor.event.DocumentEvent e) {
-        super.documentChanged(e);
+        validateOKButton();
       }
     };
     myOldNameField.getDocument().addDocumentListener(documentAdapter);