diff -r b64dcc1a011f -r a5a6072ac944 controls/DebugVariablePanel/DebugVariableGraphicViewer.py
--- a/controls/DebugVariablePanel/DebugVariableGraphicViewer.py	Tue Jun 04 09:12:03 2013 +0200
+++ b/controls/DebugVariablePanel/DebugVariableGraphicViewer.py	Tue Jun 04 09:56:03 2013 +0200
@@ -107,6 +107,9 @@
         @param y: Y coordinate of mouse pointer
         @param data: Text associated to drag'n drop
         """
+        # Signal Debug Variable Panel to reset highlight
+        self.ParentWindow.ResetHighlight()
+        
         message = None
         
         # Check that data is valid regarding DebugVariablePanel