diff --git a/apps/files_sharing/js/public.js b/apps/files_sharing/js/public.js
index 27e8d361ff9bd9d5387c88c35a77846a385d72dd..a2248405d22297bb81a90265f5c61de9dbd07f84 100644
--- a/apps/files_sharing/js/public.js
+++ b/apps/files_sharing/js/public.js
@@ -10,7 +10,9 @@
 
 /* global FileActions, Files */
 /* global dragOptions, folderDropOptions */
-OCA.Sharing = {};
+if (!OCA.Sharing) {
+	OCA.Sharing = {};
+}
 if (!OCA.Files) {
 	OCA.Files = {};
 }