diff --git a/src/routes/api/photos/+server.js b/src/routes/api/photos/+server.js
index e3bbf53..cee2ccb 100644
--- a/src/routes/api/photos/+server.js
+++ b/src/routes/api/photos/+server.js
@@ -16,6 +16,8 @@ export async function GET({ url }) {
 			}
 		});
 
+		const tokenDuration = parseInt(env.B2_TOKEN_DURATION, 10) || 600;
+
 		// Fetch a batch of files from the thumbs/ folder
 		const listCommand = new ListObjectsV2Command({
 			Bucket: env.B2_BUCKET_NAME,
@@ -44,8 +46,8 @@ export async function GET({ url }) {
 
 				// 10 minutes = 600 seconds
 				const [thumbUrl, fullUrl] = await Promise.all([
-					getSignedUrl(s3, thumbCommand, { expiresIn: 600 }),
-					getSignedUrl(s3, fullCommand, { expiresIn: 600 })
+					getSignedUrl(s3, thumbCommand, { expiresIn: tokenDuration }),
+					getSignedUrl(s3, fullCommand, { expiresIn: tokenDuration })
 				]);
 
 				return { id, thumbUrl, fullUrl };