diff --git a/SignalMessaging/utils/OWSContactAvatarBuilder.m b/SignalMessaging/utils/OWSContactAvatarBuilder.m
index 0e70b527e..a440fd12d 100644
--- a/SignalMessaging/utils/OWSContactAvatarBuilder.m
+++ b/SignalMessaging/utils/OWSContactAvatarBuilder.m
@@ -135,6 +135,7 @@ NS_ASSUME_NONNULL_BEGIN
     UIImage *_Nullable image =
         [OWSAvatarBuilder avatarImageWithInitials:initials backgroundColor:color diameter:self.diameter];
     if (!image) {
+        OWSFailDebug(@"Could not generate avatar.");
         return nil;
     }