diff --git a/AppKit/Platform/DOM/CPPlatformWindow+DOM.j b/AppKit/Platform/DOM/CPPlatformWindow+DOM.j
index a56853597..a72a1afb8 100644
--- a/AppKit/Platform/DOM/CPPlatformWindow+DOM.j
+++ b/AppKit/Platform/DOM/CPPlatformWindow+DOM.j
@@ -502,7 +502,8 @@ var supportsNativeDragAndDrop = [CPPlatform supportsDragAndDrop];
         var draggingOffset = [dragServer draggingOffset];
 
         aDOMEvent.dataTransfer.setDragImage(DOMDragElement, draggingOffset.width, draggingOffset.height);
-
+        aDOMEvent.dataTransfer.effectAllowed = "all";
+        
         [dragServer draggingStartedInPlatformWindow:self globalLocation:[CPPlatform isBrowser] ? location : _CGPointMake(aDOMEvent.screenX, aDOMEvent.screenY)];
     }