2 files changed, 2 insertions, 2 deletions
diff --git a/lib/plugins/config/admin.php b/lib/plugins/config/admin.php
index 404560548..835d27775 100644
--- a/lib/plugins/config/admin.php
+++ b/lib/plugins/config/admin.php
@@ -52,7 +52,7 @@ class admin_plugin_config extends DokuWiki_Admin_Plugin {
         $this->_input = $INPUT->arr('config');
 
         while (list($key) = each($this->_config->setting)) {
-            $input = isset($this->_input[$key]) ? $this->_input[$key] : NULL;
+            $input = isset($this->_input[$key]) ? $this->_input[$key] : null;
             if ($this->_config->setting[$key]->update($input)) {
                 $this->_changed = true;
             }
diff --git a/lib/plugins/config/settings/extra.class.php b/lib/plugins/config/settings/extra.class.php
index 954178bc1..d0f99fa8f 100644
--- a/lib/plugins/config/settings/extra.class.php
+++ b/lib/plugins/config/settings/extra.class.php
@@ -8,7 +8,7 @@
 if (!class_exists('setting_sepchar')) {
     class setting_sepchar extends setting_multichoice {
 
-        function setting_sepchar($key,$param=NULL) {
+        function setting_sepchar($key,$param=null) {
             $str = '_-.';
             for ($i=0;$i<strlen($str);$i++) $this->_choices[] = $str{$i};