diff --git a/Signal/src/ViewControllers/RegistrationViewController.m b/Signal/src/ViewControllers/RegistrationViewController.m
index 87e36e0a2..109a19399 100644
--- a/Signal/src/ViewControllers/RegistrationViewController.m
+++ b/Signal/src/ViewControllers/RegistrationViewController.m
@@ -313,7 +313,7 @@
             [weakSelf.spinnerView stopAnimating];
 
             CodeVerificationViewController *vc = [CodeVerificationViewController new];
-            [self.navigationController pushViewController:vc animated:YES];
+            [weakSelf.navigationController pushViewController:vc animated:YES];
         }
         failure:^(NSError *error) {
             if (error.code == 400) {