diff --git a/frontend/src/components/dialog/lib-decrypt-dialog.js b/frontend/src/components/dialog/lib-decrypt-dialog.js
index 2deec38e95..b86d33d397 100644
--- a/frontend/src/components/dialog/lib-decrypt-dialog.js
+++ b/frontend/src/components/dialog/lib-decrypt-dialog.js
@@ -6,7 +6,7 @@ import { seafileAPI } from '../../utils/seafile-api';
 
 const propTypes = {
   repoID: PropTypes.string.isRequired,
-  onLibDecryptDialog: PropTypes.string.isRequired
+  onLibDecryptDialog: PropTypes.func.isRequired
 };