diff --git a/src/admin/AdminBatchEditPanelClient.tsx b/src/admin/AdminBatchEditPanelClient.tsx
index 68e81392..0bd5ac8b 100644
--- a/src/admin/AdminBatchEditPanelClient.tsx
+++ b/src/admin/AdminBatchEditPanelClient.tsx
@@ -12,6 +12,7 @@ import { Tags } from '@/tag';
 import { usePathname } from 'next/navigation';
 import { PATH_GRID_INFERRED } from '@/site/paths';
 import PhotoTagFieldset from './PhotoTagFieldset';
+import { tagMultiplePhotosAction } from '@/photo/actions';
 
 export default function AdminBatchEditPanelClient({
   uniqueTags,
@@ -26,6 +27,8 @@ export default function AdminBatchEditPanelClient({
     setSelectedPhotoIds,
   } = useAppState();
 
+  const [isLoading, setIsLoading] = useState(false);
+
   const [tags, setTags] = useState<string>();
   const [tagErrorMessage, setTagErrorMessage] = useState('');
   const isTagging = tags !== undefined;
@@ -44,6 +47,7 @@ export default function AdminBatchEditPanelClient({
           setTags(undefined);
           setTagErrorMessage('');
         }}
+        disabled={isLoading}
       >
         Cancel
       </LoaderButton>
@@ -51,7 +55,15 @@ export default function AdminBatchEditPanelClient({
         className="min-h-[2.5rem]"
         // eslint-disable-next-line max-len
         confirmText={`Are you sure you want to apply tags to ${selectedPhotoIds?.length} ${photosPlural}? This action cannot be undone.`}
-        disabled={!tags || Boolean(tagErrorMessage)}
+        onClick={() => {
+          setIsLoading(true);
+          tagMultiplePhotosAction(
+            tags,
+            selectedPhotoIds ?? [],
+          )
+            .finally(() => setIsLoading(false));
+        }}
+        disabled={!tags || Boolean(tagErrorMessage) || isLoading}
         primary
       >
         Apply Tags
@@ -60,10 +72,13 @@ export default function AdminBatchEditPanelClient({
     : <>
       {(selectedPhotoIds?.length ?? 0) > 0 &&
         <>
-          <LoaderButton onClick={() => setTags('')}>
+          <LoaderButton
+            onClick={() => setTags('')}
+            isLoading={isLoading}
+          >
             Tag ...
           </LoaderButton>
-          <DeleteButton />
+          <DeleteButton disabled={isLoading} />
         </>}
       <LoaderButton
         icon={<IoCloseSharp size={20} className="translate-y-[-1.5px]" />}
diff --git a/src/photo/actions.ts b/src/photo/actions.ts
index 17557dc8..9240bbf5 100644
--- a/src/photo/actions.ts
+++ b/src/photo/actions.ts
@@ -8,6 +8,7 @@ import {
   renamePhotoTagGlobally,
   getPhoto,
   getPhotos,
+  addTagsToPhotos,
 } from '@/photo/db/query';
 import { GetPhotosOptions, areOptionsSensitive } from './db';
 import {
@@ -47,6 +48,7 @@ import { generateAiImageQueries } from './ai/server';
 import { createStreamableValue } from 'ai/rsc';
 import { convertUploadToPhoto } from './storage';
 import { UrlAddStatus } from '@/admin/AdminUploadsClient';
+import { convertStringToArray } from '@/utility/string';
 
 // Private actions
 
@@ -203,6 +205,18 @@ export const updatePhotoAction = async (formData: FormData) =>
     redirect(PATH_ADMIN_PHOTOS);
   });
 
+export const tagMultiplePhotosAction = (
+  tags: string,
+  photoIds: string[],
+) =>
+  runAuthenticatedAdminServerAction(async () => {
+    await addTagsToPhotos(
+      convertStringToArray(tags, false) ?? [],
+      photoIds,
+    );
+    revalidateAllKeysAndPaths();
+  });
+
 export const toggleFavoritePhotoAction = async (
   photoId: string,
   shouldRedirect?: boolean,
diff --git a/src/photo/db/query.ts b/src/photo/db/query.ts
index be2c644e..1f9cacaa 100644
--- a/src/photo/db/query.ts
+++ b/src/photo/db/query.ts
@@ -244,17 +244,19 @@ export const renamePhotoTagGlobally = (tag: string, updatedTag: string) =>
   `, 'renamePhotoTagGlobally');
 
 export const addTagsToPhotos = (tags: string[], photoIds: string[]) =>
-  safelyQueryPhotos(() => sql`
+  safelyQueryPhotos(() => query(`
     UPDATE photos 
     SET tags = (
       SELECT array_agg(DISTINCT elem)
       FROM unnest(
-        array_cat(tags, ARRAY${convertArrayToPostgresString(tags, 'brackets')})
+        array_cat(tags, $1)
       ) AS elem
     )
-    WHERE id IN ${convertArrayToPostgresString(photoIds, 'brackets')}
-    LIMIT ${photoIds.length}
-  `, 'addTagsToPhotos');
+    WHERE id = ANY($2)
+  `, [
+    convertArrayToPostgresString(tags),
+    convertArrayToPostgresString(photoIds),
+  ]), 'addTagsToPhotos');
 
 export const deletePhoto = (id: string) =>
   safelyQueryPhotos(() => sql`
diff --git a/src/services/postgres.ts b/src/services/postgres.ts
index 86a8e1fa..27d1fd3c 100644
--- a/src/services/postgres.ts
+++ b/src/services/postgres.ts
@@ -43,11 +43,13 @@ export const sql = <T extends QueryResultRow>(
 
 export const convertArrayToPostgresString = (
   array?: string[],
-  type: 'braces' | 'brackets' = 'braces', 
+  type: 'braces' | 'brackets' | 'parentheses' = 'braces', 
 ) => array
   ? type === 'braces'
     ? `{${array.join(',')}}`
-    : `[${array.map(i => `'${i}'`).join(',')}]`
+    : type === 'brackets'
+      ? `[${array.map(i => `'${i}'`).join(',')}]`
+      : `(${array.map(i => `'${i}'`).join(',')})`
   : null;
 
 const isTemplateStringsArray = (