From 87aaab7b0db08cf3a821429e98c05144471d29e5 Mon Sep 17 00:00:00 2001
From: Vassiliy Kudryashov <Vassiliy.Kudryashov@jetbrains.com>
Date: Fri, 30 Nov 2012 19:04:29 +0400
Subject: [PATCH] http://ea.jetbrains.com/browser/ea_problems/41689

---
 .../platform-impl/src/com/intellij/openapi/wm/impl/Stripe.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/Stripe.java b/platform/platform-impl/src/com/intellij/openapi/wm/impl/Stripe.java
index 04566cde39cb..2589418209a7 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/Stripe.java
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/Stripe.java
@@ -489,7 +489,7 @@ final class Stripe extends JPanel{
   }
 
   public void finishDrop() {
-    if (myLastLayoutData == null) return;
+    if (myLastLayoutData == null || !isDroppingButton()) return;
 
     final WindowInfoImpl info = myDragButton.getDecorator().getWindowInfo();
     myFinishingDrop = true;