diff --git a/CTAssetsPickerController/CTAssetsPickerController.m b/CTAssetsPickerController/CTAssetsPickerController.m
index 19413d4b..a79d106d 100644
--- a/CTAssetsPickerController/CTAssetsPickerController.m
+++ b/CTAssetsPickerController/CTAssetsPickerController.m
@@ -97,7 +97,10 @@ - (void)viewDidLoad
 
 - (void)dealloc
 {
+  @try{
     [self removeKeyValueObserver];
+  }@catch(id anException){
+  }
 }
 
 - (UIViewController *)childViewControllerForStatusBarStyle