diff --git a/kernel/trunk/gui/window.inc b/kernel/trunk/gui/window.inc
index 57b1cebbcb..4fa3986f17 100644
--- a/kernel/trunk/gui/window.inc
+++ b/kernel/trunk/gui/window.inc
@@ -1206,8 +1206,12 @@ endg
 	inc   esi
 
 ;..................................... start 3/4 : modified by vhanla .................
-	cmp [bPressedMouseXY_W],0
-	jnz @f
+	cmp [bPressedMouseXY_W],1
+	jb  .first
+	ja  @f
+	inc [bPressedMouseXY_W]
+	jmp @f
+.first:
 	mov [bPressedMouseXY_W],1
 	mov ax,[MOUSE_X]
 	mov [mx],ax
@@ -1254,6 +1258,9 @@ endg
 	cmp   eax, ebx	    ; is this window active?
 	jz    .move_resize_window
 
+	cmp   [bPressedMouseXY_W], 1
+	ja    .exit
+
 	; eax = position in windowing stack
 	; redraw must ?
 	lea   esi, [WIN_POS + esi * 2]