diff --git a/packages/file-handling/src/file-source.js b/packages/file-handling/src/file-source.js
index a9c786b463a442091869c505f3b835c14d1a5f3f..20f736336eb743c075a24b0c583132038dc67ec2 100644
--- a/packages/file-handling/src/file-source.js
+++ b/packages/file-handling/src/file-source.js
@@ -41,7 +41,7 @@ export class FileSource extends ScopedElementsMixin(DBPLitElement) {
         this.nextcloudWebDavUrl = '';
         this.dropArea = null;
         this.allowedMimeTypes = '*/*';
-        this.enabledSources = 'local';1
+        this.enabledSources = 'local';
         this.text = '';
         this.buttonLabel = '';
         this.disabled = false;