diff --git a/libraries/schema/User_Schema.class.php b/libraries/schema/User_Schema.class.php
index 9e64312956..7c37d07ae9 100644
--- a/libraries/schema/User_Schema.class.php
+++ b/libraries/schema/User_Schema.class.php
@@ -655,7 +655,7 @@ class PMA_User_Schema
         }
         require "libraries/schema/".$path.'_Relation_Schema.class.php';
         $class_name = 'PMA_' . $path . '_Relation_Schema';
-        $obj_schema = new $class_name;
+        $obj_schema = new $class_name();
         $obj_schema->showOutput();
     }
 
diff --git a/libraries/sysinfo.lib.php b/libraries/sysinfo.lib.php
index 4fa68d6969..d2b2e982b3 100644
--- a/libraries/sysinfo.lib.php
+++ b/libraries/sysinfo.lib.php
@@ -50,13 +50,13 @@ function PMA_getSysInfo()
 
     if (in_array($php_os, $supported)) {
         $class_name = 'PMA_SysInfo' . $php_os;
-        $ret = new $class_name;
+        $ret = new $class_name();
         if ($ret->supported()) {
             return $ret;
         }
     }
 
-    return new PMA_SysInfo;
+    return new PMA_SysInfo();
 }
 
 /**