diff --git a/client/share/utils.js b/client/share/utils.js
index 598df4ce..193837f9 100644
--- a/client/share/utils.js
+++ b/client/share/utils.js
@@ -46,7 +46,7 @@ export function formatDate(d, format) {
         case 'coDate':
             return `${d.getFullYear()}-${(d.getMonth() + 1).toString().padStart(2, '0')}-${d.getDate().toString().padStart(2, '0')}`;
         case 'coMonth':
-            return `${(d.getMonth() + 1).toString().padStart(2, '0')}-${d.getDate().toString().padStart(2, '0')}`;
+            return `${(d.getMonth() + 1).toString().padStart(2, '0')}`;
         case 'noDate':
             return `${d.getDate().toString().padStart(2, '0')}.${(d.getMonth() + 1).toString().padStart(2, '0')}.${d.getFullYear()}`;
     }