diff --git a/auth/mnet/auth.php b/auth/mnet/auth.php
index 9c001f1d1a5..3dd4df8f384 100644
--- a/auth/mnet/auth.php
+++ b/auth/mnet/auth.php
@@ -273,7 +273,7 @@ class auth_plugin_mnet extends auth_plugin_base {
                 }
                 $message .= "ERROR $code:<br/>$errormessage<br/>";
             }
-            print_error("rpcerror", '', '', $message");
+            print_error("rpcerror", '', '', $message);
         }
         unset($mnetrequest);