diff --git a/lib/shared/user-utils.js b/lib/shared/user-utils.js
--- a/lib/shared/user-utils.js
+++ b/lib/shared/user-utils.js
@@ -7,7 +7,8 @@
   RawThreadInfo,
   ThreadInfo,
 } from '../types/thread-types';
-import type { UserInfo, UserInfos } from '../types/user-types';
+import type { UserInfo } from '../types/user-types';
+import { useSelector } from '../utils/redux-utils';
 import { memberHasAdminPowers } from './thread-utils';
 
 function stringForUser(user: {
@@ -43,10 +44,10 @@
   return false;
 }
 
-function getKeyserverAdmin(
+function useKeyserverAdmin(
   community: ThreadInfo | RawThreadInfo | ServerThreadInfo,
-  userInfos: UserInfos,
 ): ?UserInfo {
+  const userInfos = useSelector(state => state.userStore.userInfos);
   // This hack only works as long as there is only one admin
   // Linear task to revert this:
   // https://linear.app/comm/issue/ENG-1707/revert-fix-getting-the-keyserver-admin-info
@@ -54,4 +55,4 @@
   return admin ? userInfos[admin.id] : undefined;
 }
 
-export { stringForUser, stringForUserExplicit, isStaff, getKeyserverAdmin };
+export { stringForUser, stringForUserExplicit, isStaff, useKeyserverAdmin };
diff --git a/native/components/community-pill.react.js b/native/components/community-pill.react.js
--- a/native/components/community-pill.react.js
+++ b/native/components/community-pill.react.js
@@ -3,10 +3,9 @@
 import * as React from 'react';
 import { View, StyleSheet } from 'react-native';
 
-import { getKeyserverAdmin } from 'lib/shared/user-utils';
+import { useKeyserverAdmin } from 'lib/shared/user-utils';
 import type { ThreadInfo } from 'lib/types/thread-types';
 
-import { useSelector } from '../redux/redux-utils';
 import { useColors } from '../themes/colors';
 import CommIcon from './comm-icon.react';
 import Pill from './pill.react';
@@ -18,11 +17,8 @@
 function CommunityPill(props: Props): React.Node {
   const { community } = props;
 
-  const userInfos = useSelector(state => state.userStore.userInfos);
-  const keyserverOperatorUsername: ?string = React.useMemo(
-    () => getKeyserverAdmin(community, userInfos)?.username,
-    [community, userInfos],
-  );
+  const keyserverAdmin = useKeyserverAdmin(community);
+  const keyserverOperatorUsername = keyserverAdmin?.username;
 
   const colors = useColors();
   const keyserverOperatorLabel: ?React.Node = React.useMemo(() => {
diff --git a/web/chat/chat-thread-ancestors.react.js b/web/chat/chat-thread-ancestors.react.js
--- a/web/chat/chat-thread-ancestors.react.js
+++ b/web/chat/chat-thread-ancestors.react.js
@@ -5,11 +5,10 @@
 
 import { useAncestorThreads } from 'lib/shared/ancestor-threads';
 import { colorIsDark } from 'lib/shared/thread-utils';
-import { getKeyserverAdmin } from 'lib/shared/user-utils';
+import { useKeyserverAdmin } from 'lib/shared/user-utils';
 import type { ThreadInfo } from 'lib/types/thread-types';
 
 import CommIcon from '../CommIcon.react';
-import { useSelector } from '../redux/redux-utils';
 import SWMansionIcon from '../SWMansionIcon.react';
 import css from './chat-thread-ancestors.css';
 
@@ -38,12 +37,9 @@
 
   const ancestorThreads = useAncestorThreads(threadInfo);
 
-  const userInfos = useSelector(state => state.userStore.userInfos);
   const community = ancestorThreads[0] ?? threadInfo;
-  const keyserverOwnerUsername: ?string = React.useMemo(
-    () => getKeyserverAdmin(community, userInfos)?.username,
-    [community, userInfos],
-  );
+  const keyserverAdmin = useKeyserverAdmin(community);
+  const keyserverOwnerUsername = keyserverAdmin?.username;
 
   const keyserverInfo = React.useMemo(
     () => (