diff --git a/security/Permission.php b/security/Permission.php
index 2ce7fcace..396a7a0d0 100755
--- a/security/Permission.php
+++ b/security/Permission.php
@@ -296,7 +296,7 @@ class Permission extends DataObject {
 				if(is_numeric($arg)) {
 					$perm->Arg = $arg;
 				} else {
-					use_error("Permission::checkMember: bad arg '$arg'",
+					user_error("Permission::checkMember: bad arg '$arg'",
 										E_USER_ERROR);
 				}
 		}
@@ -330,7 +330,7 @@ class Permission extends DataObject {
 				if(is_numeric($arg)) {
 					$perm->Arg = $arg;
 				} else {
-					use_error("Permission::checkMember: bad arg '$arg'",
+					user_error("Permission::checkMember: bad arg '$arg'",
 										E_USER_ERROR);
 				}
 		}