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
@@ -30,6 +30,7 @@
   type UserStoreOperation,
   userStoreOpsHandlers,
 } from '../ops/user-store-ops.js';
+import { extractFIDFromUserID } from '../shared/id-utils.js';
 import { stateSyncSpecs } from '../shared/state-sync/state-sync-specs.js';
 import { updateSpecs } from '../shared/updates/update-specs.js';
 import type { BaseAction } from '../types/redux-types.js';
@@ -291,10 +292,14 @@
     if (filteredUserIDs.length === 0) {
       return [state, [], []];
     }
-    const newUserInfosArray = filteredUserIDs.map(id => ({
-      id,
-      username: null,
-    }));
+    const newUserInfosArray = filteredUserIDs.map(id => {
+      const avatar = extractFIDFromUserID(id) ? { type: 'farcaster' } : null;
+      return {
+        id,
+        username: null,
+        avatar,
+      };
+    });
     const newUserInfos: UserInfos = _keyBy(userInfo => userInfo.id)(
       newUserInfosArray,
     );
diff --git a/lib/shared/avatar-utils.js b/lib/shared/avatar-utils.js
--- a/lib/shared/avatar-utils.js
+++ b/lib/shared/avatar-utils.js
@@ -266,12 +266,21 @@
 }
 
 function getAvatarForUser(
-  usernameAndAvatar: ?{ +username?: ?string, +avatar?: ?ClientAvatar, ... },
+  usernameAndAvatar: ?{
+    +username?: ?string,
+    +avatar?: ?ClientAvatar,
+    +farcasterID?: ?string,
+    ...
+  },
 ): ClientAvatar {
   if (usernameAndAvatar?.avatar) {
     return usernameAndAvatar.avatar;
   }
 
+  if (usernameAndAvatar?.farcasterID) {
+    return { type: 'farcaster' };
+  }
+
   if (!usernameAndAvatar?.username) {
     return defaultAnonymousUserEmojiAvatar;
   }
diff --git a/native/avatars/user-avatar.react.js b/native/avatars/user-avatar.react.js
--- a/native/avatars/user-avatar.react.js
+++ b/native/avatars/user-avatar.react.js
@@ -6,6 +6,7 @@
   getAvatarForUser,
   useResolvedUserAvatar,
 } from 'lib/shared/avatar-utils.js';
+import { extractFIDFromUserID } from 'lib/shared/id-utils.js';
 import type {
   GenericUserInfoWithAvatar,
   AvatarSize,
@@ -27,6 +28,12 @@
 
   const currentUserFID = useCurrentUserFID();
   const userAvatarInfo = useSelector(state => {
+    if (userInfoProp?.avatar) {
+      return {
+        ...userInfoProp,
+        farcasterID: fid,
+      };
+    }
     if (!userID) {
       return {
         ...userInfoProp,
@@ -38,9 +45,11 @@
         farcasterID: currentUserFID,
       };
     } else {
+      const maybeFIDFromUserID = extractFIDFromUserID(userID);
       return {
         ...state.userStore.userInfos[userID],
-        farcasterID: state.auxUserStore.auxUserInfos[userID]?.fid,
+        farcasterID:
+          maybeFIDFromUserID ?? state.auxUserStore.auxUserInfos[userID]?.fid,
       };
     }
   });
diff --git a/web/avatars/user-avatar.react.js b/web/avatars/user-avatar.react.js
--- a/web/avatars/user-avatar.react.js
+++ b/web/avatars/user-avatar.react.js
@@ -6,6 +6,7 @@
   getAvatarForUser,
   useResolvedUserAvatar,
 } from 'lib/shared/avatar-utils.js';
+import { extractFIDFromUserID } from 'lib/shared/id-utils.js';
 import type { AvatarSize } from 'lib/types/avatar-types.js';
 import { useCurrentUserFID } from 'lib/utils/farcaster-utils.js';
 
@@ -31,9 +32,11 @@
         farcasterID: currentUserFID,
       };
     } else {
+      const maybeFIDFromUserID = extractFIDFromUserID(userID);
       return {
         ...state.userStore.userInfos[userID],
-        farcasterID: state.auxUserStore.auxUserInfos[userID]?.fid,
+        farcasterID:
+          maybeFIDFromUserID ?? state.auxUserStore.auxUserInfos[userID]?.fid,
       };
     }
   });