diff --git a/packages/web-app-files/src/mixins/fileActions.js b/packages/web-app-files/src/mixins/fileActions.js
index 71e793152c6..e8fc6f29837 100644
--- a/packages/web-app-files/src/mixins/fileActions.js
+++ b/packages/web-app-files/src/mixins/fileActions.js
@@ -171,7 +171,7 @@ export default {
       if (
         mimeType === undefined ||
         !get(this, 'capabilities.files.app_providers') ||
-        !this.mimeTypes.length
+        !get(this, 'mimeTypes', []).length
       ) {
         return []
       }