diff --git a/platform/lang-api/src/com/intellij/refactoring/RefactoringBundle.java b/platform/lang-api/src/com/intellij/refactoring/RefactoringBundle.java
index 479471cf9e68..e1604d6db078 100644
--- a/platform/lang-api/src/com/intellij/refactoring/RefactoringBundle.java
+++ b/platform/lang-api/src/com/intellij/refactoring/RefactoringBundle.java
@@ -18,6 +18,7 @@ package com.intellij.refactoring;
 
 import com.intellij.CommonBundle;
 import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.PropertyKey;
 
 import java.lang.ref.Reference;
@@ -67,7 +68,7 @@ public class RefactoringBundle {
     return message("visibility.escalate");
   }
 
-  public static String getCannotRefactorMessage(final String message) {
+  public static String getCannotRefactorMessage(@Nullable final String message) {
     return message("cannot.perform.refactoring") + (message == null ? "" : "\n" + message);
   }
 
diff --git a/platform/lang-impl/src/com/intellij/refactoring/rename/PsiElementRenameHandler.java b/platform/lang-impl/src/com/intellij/refactoring/rename/PsiElementRenameHandler.java
index 7a0f441be601..f0eac6e53640 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/rename/PsiElementRenameHandler.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/rename/PsiElementRenameHandler.java
@@ -29,6 +29,7 @@ import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.openapi.extensions.Extensions;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogWrapper;
+import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.util.Condition;
 import com.intellij.psi.*;
 import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
@@ -80,6 +81,16 @@ public class PsiElementRenameHandler implements RenameHandler {
     if (element != null && !canRename(project, editor, element)) {
       return;
     }
+
+    if (nameSuggestionContext != null && !PsiManager.getInstance(project).isInProject(nameSuggestionContext)) {
+      final String message = "Selected element is used from non-project files. These usages won't be renamed. Proceed anyway?";
+      if (ApplicationManager.getApplication().isUnitTestMode()) throw new CommonRefactoringUtil.RefactoringErrorHintException(message);
+      if (Messages.showYesNoDialog(project, message,
+                                   RefactoringBundle.getCannotRefactorMessage(null), Messages.getWarningIcon()) != DialogWrapper.OK_EXIT_CODE) {
+        return;
+      }
+    }
+
     FeatureUsageTracker.getInstance().triggerFeatureUsed("refactoring.rename");
 
     rename(element, project, nameSuggestionContext, editor);