diff --git a/cocos2d-ui/CCScrollView.m b/cocos2d-ui/CCScrollView.m
index 9c7c7407cf6..ec11a667627 100644
--- a/cocos2d-ui/CCScrollView.m
+++ b/cocos2d-ui/CCScrollView.m
@@ -114,7 +114,9 @@ -(void) update: (CCTime) t
     float y = node.position.y;
     
 	node.position = ccp(x,y);
-	block();
+	if (node.position.x == _endPosition) {
+        block();
+    }
 }
 @end
 
@@ -154,7 +156,9 @@ -(void) update: (CCTime) t
     float x = node.position.x;
     
 	node.position = ccp(x,y);
-	block();
+	if (node.position.y == _endPosition) {
+        block();
+    }
 }
 @end