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
@@ -2,8 +2,17 @@
 
 import bots from '../facts/bots';
 import staff from '../facts/staff';
-import type { RelativeMemberInfo } from '../types/thread-types';
-import type { RelativeUserInfo } from '../types/user-types';
+import type {
+  RawThreadInfo,
+  RelativeMemberInfo,
+  ThreadInfo,
+} from '../types/thread-types';
+import type {
+  RelativeUserInfo,
+  UserInfo,
+  UserInfos,
+} from '../types/user-types';
+import { memberHasAdminPowers } from './thread-utils';
 
 function stringForUser(user: RelativeUserInfo | RelativeMemberInfo): string {
   if (user.isViewer) {
@@ -28,4 +37,15 @@
   return false;
 }
 
-export { stringForUser, isStaff };
+function getKeyserverAdmin(
+  community: ThreadInfo | RawThreadInfo,
+  userInfos: UserInfos,
+): ?UserInfo {
+  // 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
+  const admin = community.members.find(memberHasAdminPowers);
+  return admin ? userInfos[admin.id] : undefined;
+}
+
+export { stringForUser, isStaff, getKeyserverAdmin };
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
@@ -3,8 +3,8 @@
 import * as React from 'react';
 import { View, StyleSheet } from 'react-native';
 
-import { memberHasAdminPowers } from 'lib/shared/thread-utils';
-import type { ThreadInfo, RelativeMemberInfo } from 'lib/types/thread-types';
+import { getKeyserverAdmin } from 'lib/shared/user-utils';
+import type { ThreadInfo } from 'lib/types/thread-types';
 
 import { useSelector } from '../redux/redux-utils';
 import { useColors } from '../themes/colors';
@@ -19,13 +19,10 @@
   const { community } = props;
 
   const userInfos = useSelector(state => state.userStore.userInfos);
-  const keyserverOperatorUsername: ?string = React.useMemo(() => {
-    for (const member: RelativeMemberInfo of community.members) {
-      if (memberHasAdminPowers(member)) {
-        return userInfos[member.id].username;
-      }
-    }
-  }, [community, userInfos]);
+  const keyserverOperatorUsername: ?string = React.useMemo(
+    () => getKeyserverAdmin(community, userInfos)?.username,
+    [community, userInfos],
+  );
 
   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
@@ -4,7 +4,8 @@
 import * as React from 'react';
 
 import { useAncestorThreads } from 'lib/shared/ancestor-threads';
-import { memberHasAdminPowers, colorIsDark } from 'lib/shared/thread-utils';
+import { colorIsDark } from 'lib/shared/thread-utils';
+import { getKeyserverAdmin } from 'lib/shared/user-utils';
 import type { ThreadInfo } from 'lib/types/thread-types';
 
 import CommIcon from '../CommIcon.react';
@@ -39,14 +40,10 @@
 
   const userInfos = useSelector(state => state.userStore.userInfos);
   const community = ancestorThreads[0] ?? threadInfo;
-  const keyserverOwnerUsername: ?string = React.useMemo(() => {
-    for (const member of community.members) {
-      if (memberHasAdminPowers(member)) {
-        return userInfos[member.id].username;
-      }
-    }
-    return undefined;
-  }, [community.members, userInfos]);
+  const keyserverOwnerUsername: ?string = React.useMemo(
+    () => getKeyserverAdmin(community, userInfos)?.username,
+    [community, userInfos],
+  );
 
   const keyserverInfo = React.useMemo(
     () => (