diff --git a/core/core.js b/core/core.js
index f8aada0a..8261aa13 100644
--- a/core/core.js
+++ b/core/core.js
@@ -498,13 +498,17 @@ async function blobHandler(request, response, blobId, uri) {
 					(credentials.permissions.administration && user == 'core'))) {
 					var database = new Database(user);
 					var apps = new Set();
+					let apps_original = database.get('apps');
 					try {
-						apps = new Set(JSON.parse(database.get('apps')));
+						apps = new Set(JSON.parse(apps_original));
 					} catch {
 					}
 					if (!apps.has(appName)) {
 						apps.add(appName);
-						database.set('apps', JSON.stringify([...apps]));
+					}
+					apps = JSON.stringify([...apps].sort());
+					if (apps != apps_original) {
+						database.set('apps', apps);
 					}
 					database.set('path:' + appName, newBlobId);
 				} else {