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
@@ -963,6 +963,7 @@
     roles: rawThreadInfo.roles,
     currentUser: getMinimallyEncodedCurrentUser(
       rawThreadInfo,
+      null,
       viewerID,
       userInfos,
     ),
@@ -998,10 +999,18 @@
 
 function getMinimallyEncodedCurrentUser(
   threadInfo: RawThreadInfo | ThreadInfo,
+  communityThreadInfo: ?(RawThreadInfo | ThreadInfo),
   viewerID: ?string,
   userInfos: UserInfos,
 ): ThreadCurrentUserInfo {
-  if (!clientThreadFrozenDueToBlock(threadInfo, viewerID, userInfos)) {
+  if (
+    !clientThreadFrozenDueToBlock(
+      threadInfo,
+      communityThreadInfo,
+      viewerID,
+      userInfos,
+    )
+  ) {
     return threadInfo.currentUser;
   }
   const decodedPermissions = threadPermissionsFromBitmaskHex(
@@ -1060,6 +1069,7 @@
 
 function clientThreadFrozenDueToBlock(
   threadInfo: RawThreadInfo | ThreadInfo,
+  communityThreadInfo: ?(RawThreadInfo | ThreadInfo),
   viewerID: ?string,
   userInfos: UserInfos,
 ): boolean {
@@ -1340,6 +1350,7 @@
         ...updatedThread,
         currentUser: getMinimallyEncodedCurrentUser(
           updatedThread,
+          null,
           viewerID,
           userInfos,
         ),