diff --git a/Examples/Sample/ScrollView Example/ScrollViewController.m b/Examples/Sample/ScrollView Example/ScrollViewController.m
index f3b2b61..6ceeef9 100644
--- a/Examples/Sample/ScrollView Example/ScrollViewController.m	
+++ b/Examples/Sample/ScrollView Example/ScrollViewController.m	
@@ -56,6 +56,9 @@ - (void)viewDidAppear:(BOOL)animated
 - (void)viewWillDisappear:(BOOL)animated
 {
     [super viewWillDisappear:animated];
+    
+    // will crash when controller disappear
+    self.scrollView.segmentedControl = nil;
 }
 
 - (void)viewDidDisappear:(BOOL)animated