From 1c412005aed1cc3da4ae4e2973afd2b64142e0ce Mon Sep 17 00:00:00 2001
From: Matthew Chen <matthew@signal.org>
Date: Mon, 10 Aug 2020 13:33:54 -0300
Subject: [PATCH] Fix bug.

---
 SignalMessaging/Views/ContactsViewHelper.m | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/SignalMessaging/Views/ContactsViewHelper.m b/SignalMessaging/Views/ContactsViewHelper.m
index 1180930b5a..db0dfc4131 100644
--- a/SignalMessaging/Views/ContactsViewHelper.m
+++ b/SignalMessaging/Views/ContactsViewHelper.m
@@ -178,11 +178,12 @@ NS_ASSUME_NONNULL_BEGIN
 {
     OWSAssertIsOnMainThread();
 
+    // Notify delegates & cull stale delegates.
     NSMutableArray<ContactsViewHelperDelegateBox *> *delegates = [NSMutableArray new];
     for (ContactsViewHelperDelegateBox *box in self.delegates) {
         id<ContactsViewHelperDelegate> _Nullable delegate = box.delegate;
         if (delegate) {
-            [delegates addObject:delegate];
+            [delegates addObject:box];
             [delegate contactsViewHelperDidUpdateContacts];
         }
     }