diff --git a/PowerEditor/src/WinControls/TabBar/TabBar.cpp b/PowerEditor/src/WinControls/TabBar/TabBar.cpp
index fe0a51591..d91e2b4de 100644
--- a/PowerEditor/src/WinControls/TabBar/TabBar.cpp
+++ b/PowerEditor/src/WinControls/TabBar/TabBar.cpp
@@ -309,10 +309,11 @@ LRESULT TabBarPlus::runProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lPara
             if (_doDragNDrop)
             {
                 _nSrcTab = _nTabDragged = currentTabOn;
-        
+
                 POINT point;
 			    point.x = LOWORD(lParam);
 			    point.y = HIWORD(lParam);
+				::ClientToScreen(hwnd, &point);
 			    if(::DragDetect(hwnd, point)) 
 			    {
 				    // Yes, we're beginning to drag, so capture the mouse...