diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/StripeButton.java b/platform/platform-impl/src/com/intellij/openapi/wm/impl/StripeButton.java
index 8572df500c3a..c33b3833f172 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/StripeButton.java
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/StripeButton.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -184,8 +184,14 @@ public final class StripeButton extends AnchoredButton implements ActionListener
 
       myDragPane = findLayeredPane(e);
       if (myDragPane == null) return;
-      final BufferedImage image = UIUtil.createImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
-      paint(image.getGraphics());
+      int width = getWidth() - 1; // -1 because StripeButtonUI.paint will not paint 1 pixel in case (anchor == ToolWindowAnchor.LEFT)
+      int height = getHeight() - 1; // -1 because StripeButtonUI.paint will not paint 1 pixel in case (anchor.isHorizontal())
+      BufferedImage image = UIUtil.createImage(width, height, BufferedImage.TYPE_INT_RGB);
+      Graphics graphics = image.getGraphics();
+      graphics.setColor(UIUtil.getBgFillColor(getParent()));
+      graphics.fillRect(0, 0, width, height);
+      paint(graphics);
+      graphics.dispose();
       myDragButtonImage = new JLabel(new JBImageIcon(image)) {
 
         public String toString() {