diff --git a/desktop/src/main/services/upload.ts b/desktop/src/main/services/upload.ts
index a1103a748..c3efbb9f4 100644
--- a/desktop/src/main/services/upload.ts
+++ b/desktop/src/main/services/upload.ts
@@ -35,6 +35,10 @@ export const pathOrZipItemSize = async (
         const [zipPath, entryName] = pathOrZipItem;
         const zip = new StreamZip.async({ file: zipPath });
         const entry = await zip.entry(entryName);
+        if (!entry)
+            throw new Error(
+                `An entry with name ${entryName} does not exist in the zip file at ${zipPath}`,
+            );
         const size = entry.size;
         zip.close();
         return size;
@@ -60,7 +64,7 @@ export const pendingUploads = async (): Promise<PendingUploads | undefined> => {
     // file, but the dedup logic will kick in at that point so no harm will come
     // off it.
     if (allZipItems === undefined) {
-        const allZipPaths = uploadStatusStore.get("filePaths");
+        const allZipPaths = uploadStatusStore.get("filePaths") ?? [];
         const zipPaths = allZipPaths.filter((f) => existsSync(f));
         zipItems = [];
         for (const zip of zipPaths)
@@ -83,7 +87,7 @@ export const setPendingUploads = async (pendingUploads: PendingUploads) =>
 
 export const markUploadedFiles = async (paths: string[]) => {
     const existing = uploadStatusStore.get("filePaths");
-    const updated = existing.filter((p) => !paths.includes(p));
+    const updated = existing?.filter((p) => !paths.includes(p));
     uploadStatusStore.set("filePaths", updated);
 };
 
@@ -91,7 +95,7 @@ export const markUploadedZipItems = async (
     items: [zipPath: string, entryName: string][],
 ) => {
     const existing = uploadStatusStore.get("zipItems");
-    const updated = existing.filter(
+    const updated = existing?.filter(
         (z) => !items.some((e) => z[0] == e[0] && z[1] == e[1]),
     );
     uploadStatusStore.set("zipItems", updated);
diff --git a/desktop/src/types/ipc.ts b/desktop/src/types/ipc.ts
index c02ed1726..c8c7ef6b4 100644
--- a/desktop/src/types/ipc.ts
+++ b/desktop/src/types/ipc.ts
@@ -28,7 +28,7 @@ export interface FolderWatchSyncedFile {
 export type ZipItem = [zipPath: string, entryName: string];
 
 export interface PendingUploads {
-    collectionName: string;
+    collectionName?: string;
     filePaths: string[];
     zipItems: ZipItem[];
 }
diff --git a/web/apps/photos/src/components/Upload/Uploader.tsx b/web/apps/photos/src/components/Upload/Uploader.tsx
index 90b5f94b4..0d310d7f9 100644
--- a/web/apps/photos/src/components/Upload/Uploader.tsx
+++ b/web/apps/photos/src/components/Upload/Uploader.tsx
@@ -930,9 +930,5 @@ export const setPendingUploads = async (
         }
     }
 
-    await electron.setPendingUploads({
-        collectionName,
-        filePaths,
-        zipItems: zipItems,
-    });
+    await electron.setPendingUploads({ collectionName, filePaths, zipItems });
 };
diff --git a/web/packages/next/types/ipc.ts b/web/packages/next/types/ipc.ts
index d97a7e564..895dfcf70 100644
--- a/web/packages/next/types/ipc.ts
+++ b/web/packages/next/types/ipc.ts
@@ -650,8 +650,10 @@ export interface PendingUploads {
      * This is name of the collection (when uploading to a singular collection)
      * or the root collection (when uploading to separate * albums) to which we
      * these uploads are meant to go to. See {@link CollectionMapping}.
+     *
+     * It will not be set if we're just uploading standalone files.
      */
-    collectionName: string;
+    collectionName?: string;
     /**
      * Paths of regular files that need to be uploaded.
      */