--- old/src/java.desktop/windows/native/libawt/windows/awt_DnDDS.cpp	2015-08-03 17:08:46.814420900 +0300
+++ new/src/java.desktop/windows/native/libawt/windows/awt_DnDDS.cpp	2015-08-03 17:08:46.211360600 +0300
@@ -266,11 +266,14 @@
 
     dragSource->Signal();
 
+    AwtToolkit &toolkit = AwtToolkit::GetInstance();
+    toolkit.isInDoDragDropLoop = TRUE;
     res = ::DoDragDrop(dragSource,
                        dragSource,
                        convertActionsToDROPEFFECT(dragSource->m_actions),
                        &effects
           );
+    toolkit.isInDoDragDropLoop = FALSE;
 
     if (effects == DROPEFFECT_NONE && dragSource->m_dwPerformedDropEffect != DROPEFFECT_NONE) {
         effects = dragSource->m_dwPerformedDropEffect;