diff --git a/Xext/sync.c b/Xext/sync.c
index 37d41f224..8f22a865b 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -660,7 +660,7 @@ SyncAwaitTriggerFired(SyncTrigger * pTrigger)
              */
             if (overflow)
                 continue;
-            diffgreater = diff >= pAwait->event_threshold;
+            diffgreater = diff > pAwait->event_threshold;
             diffequal = diff == pAwait->event_threshold;
 
             /* "If the test-type is PositiveTransition or