diff --git a/Sources/UIKitNavigationShim/shim.m b/Sources/UIKitNavigationShim/shim.m
index 4ad540c4c..e473be6e5 100644
--- a/Sources/UIKitNavigationShim/shim.m
+++ b/Sources/UIKitNavigationShim/shim.m
@@ -51,8 +51,15 @@ - (void)UIKitNavigation_viewDidDisappear:(BOOL)animated {
       [self UIKitNavigation_viewDidDisappear:animated];
 
       if ((self.isBeingDismissed || self.isMovingFromParentViewController) && self.onDismiss != NULL) {
-        self.onDismiss();
-        self.onDismiss = nil;
+        if ([self isKindOfClass:UIAlertController.class]) {
+          dispatch_async(dispatch_get_main_queue(), ^{
+            self.onDismiss();
+            self.onDismiss = nil;
+          });
+        } else {
+          self.onDismiss();
+          self.onDismiss = nil;
+        }
       }
     }