diff --git a/web/apps/photos/src/services/face/db.ts b/web/apps/photos/src/services/face/db.ts
index 797806a154..79f5fe54e1 100644
--- a/web/apps/photos/src/services/face/db.ts
+++ b/web/apps/photos/src/services/face/db.ts
@@ -269,10 +269,12 @@ export const syncWithLocalFiles = async (
 
     const normal = new Set(indexableNormalFilesByID.keys());
     const hidden = new Set(indexableHiddenFilesByID.keys());
+    const all = new Set([...normal, ...hidden]);
     const fdb = new Set(fdbFileIDs);
 
+    const localFileIDs = [...all];
     const newFileIDs = localFileIDs.filter((id) => !fdb.has(id));
-    const removedFileIDs = fdbFileIDs.filter((id) => !local.has(id));
+    const removedFileIDs = fdbFileIDs.filter((id) => !all.has(id));
 
     return Promise.all(
         [
@@ -280,6 +282,7 @@ export const syncWithLocalFiles = async (
                 tx.objectStore("file-status").put({
                     fileID: id,
                     status: "indexable",
+                    isHidden: hidden.has(id) ? 1 : 0,
                     failureCount: 0,
                 }),
             ),
diff --git a/web/apps/photos/src/services/face/f-index.ts b/web/apps/photos/src/services/face/f-index.ts
index 79a428d0bc..7a61b55b1e 100644
--- a/web/apps/photos/src/services/face/f-index.ts
+++ b/web/apps/photos/src/services/face/f-index.ts
@@ -45,8 +45,7 @@ import type { Box, Dimensions, Face, Point } from "./types";
  * available. These are used when they are provided, otherwise the file is
  * downloaded and decrypted from remote.
  *
- * @param userAgent The UA of the current client (the client that is generating
- * the embedding).
+ * @param userAgent The UA of the client that is doing the indexing (us).
  */
 export const indexFaces = async (
     enteFile: EnteFile,
diff --git a/web/apps/photos/src/services/face/indexer.worker.ts b/web/apps/photos/src/services/face/indexer.worker.ts
index 969a800295..a1a457b5cb 100644
--- a/web/apps/photos/src/services/face/indexer.worker.ts
+++ b/web/apps/photos/src/services/face/indexer.worker.ts
@@ -20,7 +20,7 @@ import type { FaceIndex } from "./types";
  * comlink workers are structured.
  */
 export class FaceIndexerWorker {
-    /*
+    /**
      * Index faces in a file, save the persist the results locally, and put them
      * on remote.
      *
@@ -31,8 +31,18 @@ export class FaceIndexerWorker {
      * cases, pass a web {@link File} object to use that its data directly for
      * face indexing. If this is not provided, then the file's contents will be
      * downloaded and decrypted from remote.
+     *
+     * @param isHidden `true` if the file we're trying to index is currently
+     * hidden.
+     *
+     * @param userAgent The UA of the client that is doing the indexing (us).
      */
-    async index(enteFile: EnteFile, file: File | undefined, userAgent: string) {
+    async index(
+        enteFile: EnteFile,
+        file: File | undefined,
+        isHidden: boolean,
+        userAgent: string,
+    ) {
         const f = fileLogID(enteFile);
         const startTime = Date.now();
 
@@ -44,13 +54,13 @@ export class FaceIndexerWorker {
             // failed, not if there were subsequent failures (like when trying
             // to put the result to remote or save it to the local face DB).
             log.error(`Failed to index faces in ${f}`, e);
-            markIndexingFailed(enteFile.id);
+            markIndexingFailed(enteFile.id, isHidden);
             throw e;
         }
 
         try {
             await putFaceIndex(enteFile, faceIndex);
-            await saveFaceIndex(faceIndex);
+            await saveFaceIndex(faceIndex, isHidden);
         } catch (e) {
             log.error(`Failed to put/save face index for ${f}`, e);
             throw e;