diff --git a/web/web_arg_utils.anubis b/web/web_arg_utils.anubis
index 32b05b2..9defeaa 100644
--- a/web/web_arg_utils.anubis
+++ b/web/web_arg_utils.anubis
@@ -141,9 +141,12 @@ public define Maybe(DB_id)
   {
     not_found     then failure,
     found(value)  then 
+      println("get_mb_DB_id value '"+value+"'");
       //Check if value is none which means no id provided
       if value="none" then 
         success(none)
+      else if value = "" then
+        success(none)
       else 
         //Now try to convert the string into Int to get the id
         if decimal_scan(value) is 
--
libgit2 0.21.4