diff --git a/lib/shared/search-utils.js b/lib/shared/search-utils.js
index 12955a305..ff8573edf 100644
--- a/lib/shared/search-utils.js
+++ b/lib/shared/search-utils.js
@@ -1,108 +1,116 @@
 // @flow
 
 import { userRelationshipStatus } from '../types/relationship-types';
 import {
   type ThreadInfo,
   type ThreadType,
   threadTypes,
 } from '../types/thread-types';
 import type { AccountUserInfo, UserListItem } from '../types/user-types';
 import SearchIndex from './search-index';
 import { userIsMember } from './thread-utils';
 
 function getPotentialMemberItems(
   text: string,
   userInfos: { [id: string]: AccountUserInfo },
   searchIndex: SearchIndex,
   excludeUserIDs: $ReadOnlyArray<string>,
   parentThreadInfo: ?ThreadInfo,
   threadType: ?ThreadType,
 ): UserListItem[] {
   let results = [];
   const appendUserInfo = (userInfo: AccountUserInfo) => {
     if (!excludeUserIDs.includes(userInfo.id)) {
       results.push({
         ...userInfo,
         isMemberOfParentThread: userIsMember(parentThreadInfo, userInfo.id),
       });
     }
   };
   if (text === '') {
     for (const id in userInfos) {
       appendUserInfo(userInfos[id]);
     }
   } else {
     const ids = searchIndex.getSearchResults(text);
     for (const id of ids) {
       appendUserInfo(userInfos[id]);
     }
   }
 
   if (text === '') {
     results = results.filter((userInfo) =>
       parentThreadInfo
-        ? userInfo.isMemberOfParentThread
+        ? userInfo.isMemberOfParentThread &&
+          userInfo.relationshipStatus !==
+            userRelationshipStatus.BLOCKED_BY_VIEWER
         : userInfo.relationshipStatus === userRelationshipStatus.FRIEND,
     );
   }
 
   const nonFriends = [];
   const blockedUsers = [];
   const friendsAndParentMembers = [];
 
   for (const userResult of results) {
     const relationshipStatus = userResult.relationshipStatus;
-    if (userResult.isMemberOfParentThread) {
+    if (
+      userResult.isMemberOfParentThread &&
+      relationshipStatus !== userRelationshipStatus.BLOCKED_BY_VIEWER
+    ) {
       friendsAndParentMembers.unshift(userResult);
     } else if (relationshipStatus === userRelationshipStatus.FRIEND) {
       friendsAndParentMembers.push(userResult);
     } else if (
       relationshipStatus === userRelationshipStatus.BLOCKED_BY_VIEWER
     ) {
       blockedUsers.push(userResult);
     } else {
       nonFriends.push(userResult);
     }
   }
 
   const sortedResults = friendsAndParentMembers
     .concat(nonFriends)
     .concat(blockedUsers);
 
   return sortedResults.map(
     ({ isMemberOfParentThread, relationshipStatus, ...result }) => {
-      if (isMemberOfParentThread) {
+      if (
+        isMemberOfParentThread &&
+        relationshipStatus !== userRelationshipStatus.BLOCKED_BY_VIEWER
+      ) {
         return { ...result };
       }
       let notice, alertText, alertTitle;
       const userText = result.username;
       if (!isMemberOfParentThread && threadType === threadTypes.SIDEBAR) {
         notice = 'not in parent thread';
         alertTitle = 'Not in parent thread';
         alertText =
           'You can only add members of the parent thread to a sidebar';
       } else if (
         relationshipStatus === userRelationshipStatus.BLOCKED_BY_VIEWER
       ) {
         notice = "you've blocked this user";
         alertTitle = 'Not a friend';
         alertText =
           `Before you add ${userText} to this thread, ` +
           "you'll need to unblock them and send a friend request. " +
           'You can do this from the Block List and Friend List in the More tab.';
       } else if (relationshipStatus !== userRelationshipStatus.FRIEND) {
         notice = 'not friend';
         alertTitle = 'Not a friend';
         alertText =
           `Before you add ${userText} to this thread, ` +
           "you'll need to send them a friend request. " +
           'You can do this from the Friend List in the More tab.';
       } else if (parentThreadInfo) {
         notice = 'not in parent thread';
       }
       return { ...result, notice, alertText, alertTitle };
     },
   );
 }
 
 export { getPotentialMemberItems };