diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -878,7 +878,7 @@
   threadInfo: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo,
   viewerID: ?string,
   userInfos: UserInfos,
-  checkOnlyViewerBlock?: boolean,
+  checkOnlyViewerBlock: boolean,
 ): boolean {
   if (
     threadOrParentThreadIsGroupChat(threadInfo) ||
@@ -911,7 +911,7 @@
   viewerID: ?string,
   userInfos: UserInfos,
 ): boolean {
-  return threadIsWithBlockedUserOnly(threadInfo, viewerID, userInfos);
+  return threadIsWithBlockedUserOnly(threadInfo, viewerID, userInfos, false);
 }
 
 function threadFrozenDueToViewerBlock(