diff --git a/app/Libraries/EarcUtils.php b/app/Libraries/EarcUtils.php
index 22ec855fcb41d9aa14b5074e73f7dc33fe35359c..1c07ad5e4c06dd4a8cb5669682192ea1f595ca18 100755
--- a/app/Libraries/EarcUtils.php
+++ b/app/Libraries/EarcUtils.php
@@ -106,7 +106,7 @@ class EarcUtils
         return config('metadata.oid2name_attributemap');
     }
 
-    public function getIdpMetadata($entityid)
+    public static function getIdpMetadata($entityid)
     {
         $metadata = [];