diff --git a/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationOperation.m b/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationOperation.m
index bb4f7f8..a7e637d 100644
--- a/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationOperation.m
+++ b/MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationOperation.m
@@ -262,7 +262,7 @@
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context {
     if ([keyPath isEqualToString:@"interactiveTransitionCanceled"]) {
         [object removeObserver:self forKeyPath:@"interactiveTransitionCanceled"];
-        BOOL transitionCanceled = ((NSNumber*)change[NSKeyValueChangeNewKey]).boolValue;
+        BOOL transitionCanceled = ((NSNumber *)change[NSKeyValueChangeNewKey]).boolValue;
         if (transitionCanceled) {
             //When interactive transition canceled, the destination viewController should be removed from navigationController
             [self.navigationObject.viewController removeFromParentViewController];