diff --git a/lib/handlers/user-infos-handler.react.js b/lib/handlers/user-infos-handler.react.js
--- a/lib/handlers/user-infos-handler.react.js
+++ b/lib/handlers/user-infos-handler.react.js
@@ -41,6 +41,8 @@
   const callUpdateRelationships =
     useLegacyAshoatKeyserverCall(updateRelationships);
 
+  const currentUserInfo = useSelector(state => state.currentUserInfo);
+
   React.useEffect(() => {
     const newUserIDs = Object.keys(userInfosWithMissingUsernames).filter(
       id => !requestedIDsRef.current.has(id),
@@ -66,16 +68,23 @@
     void dispatchActionPromise(findUserIdentitiesActionTypes, promise);
     // 2. Fetch avatars from auth keyserver
     if (relyingOnAuthoritativeKeyserver) {
+      const userIDsWithoutOwnID = newUserIDs.filter(
+        id => id !== currentUserInfo?.id,
+      );
+      if (userIDsWithoutOwnID.length === 0) {
+        return;
+      }
       void dispatchActionPromise(
         updateRelationshipsActionTypes,
         callUpdateRelationships({
           action: relationshipActions.ACKNOWLEDGE,
-          userIDs: newUserIDs,
+          userIDs: userIDsWithoutOwnID,
         }),
       );
     }
   }, [
     callUpdateRelationships,
+    currentUserInfo?.id,
     dispatchActionPromise,
     findUserIdentities,
     userInfos,
diff --git a/lib/reducers/user-reducer.js b/lib/reducers/user-reducer.js
--- a/lib/reducers/user-reducer.js
+++ b/lib/reducers/user-reducer.js
@@ -479,9 +479,13 @@
     action.type === keyserverAuthActionTypes.success &&
     relyingOnAuthoritativeKeyserver
   ) {
-    const newUserInfos = _keyBy(userInfo => userInfo.id)(
+    const keyserverUserInfos = _keyBy(userInfo => userInfo.id)(
       action.payload.userInfos,
     );
+    const newUserInfos = discardKeyserverUsernames(
+      keyserverUserInfos,
+      state.userInfos,
+    );
 
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> =
       convertUserInfosToReplaceUserOps(newUserInfos);