diff --git a/MMDrawerController/MMDrawerController.m b/MMDrawerController/MMDrawerController.m
index 872a8dca..183bac81 100644
--- a/MMDrawerController/MMDrawerController.m
+++ b/MMDrawerController/MMDrawerController.m
@@ -546,6 +546,9 @@ -(void)setCenterViewController:(UIViewController *)newCenterViewController withF
         if(self.openSide != MMDrawerSideNone){
             [self closeDrawerAnimated:animated completion:completion];
         }
+        else if(completion){
+            completion(YES);
+        }
     }
 }