diff --git a/global-functions b/global-functions
index fbc3f4a..8bb18fd 100644
--- a/global-functions
+++ b/global-functions
@@ -77,7 +77,7 @@
     }
   }
 
-  :if ([ $RequiredRouterOS ("\$CertificateAvailable") "6.47" ] = false) do={
+  :if ([ $RequiredRouterOS $0 "6.47" ] = false) do={
     :return true;
   }