diff --git a/hw/xnest/Events.c b/hw/xnest/Events.c
index 88db0d18f..67221c260 100644
--- a/hw/xnest/Events.c
+++ b/hw/xnest/Events.c
@@ -96,7 +96,7 @@ xnestCollectExposures(void)
 
             RegionInit(&Rgn, &Box, 1);
 
-            miSendExposures(pWin, &Rgn, Box.x2, Box.y2);
+            miSendExposures(pWin, &Rgn, Box.x1, Box.y1);
         }
     }
 }