diff --git a/keyserver/src/fetchers/entry-fetchers.js b/keyserver/src/fetchers/entry-fetchers.js
--- a/keyserver/src/fetchers/entry-fetchers.js
+++ b/keyserver/src/fetchers/entry-fetchers.js
@@ -191,10 +191,9 @@
   }
 
   const query = SQL`
-    SELECT r.id, u.username AS author, r.text, r.last_update AS lastUpdate,
+    SELECT r.id, r.author AS authorID, r.text, r.last_update AS lastUpdate,
       r.deleted, d.thread AS threadID, r.entry AS entryID
     FROM revisions r
-    LEFT JOIN users u ON u.id = r.author
     LEFT JOIN entries e ON e.id = r.entry
     LEFT JOIN days d ON d.id = e.day
     WHERE r.entry = ${entryID}
@@ -206,7 +205,7 @@
   for (const row of result) {
     revisions.push({
       id: row.id.toString(),
-      author: row.author,
+      authorID: row.authorID.toString(),
       text: row.text,
       lastUpdate: row.lastUpdate,
       deleted: !!row.deleted,
diff --git a/lib/types/history-types.js b/lib/types/history-types.js
--- a/lib/types/history-types.js
+++ b/lib/types/history-types.js
@@ -5,7 +5,7 @@
 export type HistoryRevisionInfo = {
   +id: string,
   +entryID: string,
-  +author: ?string,
+  +authorID: string,
   +text: string,
   +lastUpdate: number,
   +deleted: boolean,
diff --git a/web/modals/history/history-revision.react.js b/web/modals/history/history-revision.react.js
--- a/web/modals/history/history-revision.react.js
+++ b/web/modals/history/history-revision.react.js
@@ -5,6 +5,7 @@
 import * as React from 'react';
 import TimeAgo from 'react-timeago';
 
+import { useENSNames } from 'lib/hooks/ens-cache';
 import { threadInfoSelector } from 'lib/selectors/thread-selectors';
 import { colorIsDark } from 'lib/shared/thread-utils';
 import type { HistoryRevisionInfo } from 'lib/types/history-types';
@@ -39,12 +40,17 @@
     );
   }
 
-  const author =
-    props.revisionInfo.author === null ? (
-      'Anonymous'
-    ) : (
-      <span className={css.entryUsername}>{props.revisionInfo.author}</span>
-    );
+  const { authorID } = props.revisionInfo;
+  const authorUserInfo = useSelector(
+    state => state.userStore.userInfos[authorID],
+  );
+  const [authorWithENSName] = useENSNames([authorUserInfo]);
+
+  const author = authorWithENSName?.username ? (
+    <span className={css.entryUsername}>{authorWithENSName.username}</span>
+  ) : (
+    'anonymous'
+  );
 
   const date = new Date(props.revisionInfo.lastUpdate);
   const hovertext = dateFormat(date, "dddd, mmmm dS, yyyy 'at' h:MM TT");