diff --git a/inc/pluginutils.php b/inc/pluginutils.php
index 5914c6cd2e300c9b7351209013ea06a4e83b0d68..c8eed85556b16c89efc664ce2cef4864017cf513 100644
--- a/inc/pluginutils.php
+++ b/inc/pluginutils.php
@@ -12,7 +12,7 @@
 function plugin_printCSSJS(){
     global $conf;
     
-    if (isset($conf['plugin_manager']) && $conf['plugin_manager']) {
+    if (isset($conf['pluginmanager']) && $conf['pluginmanager']) {
         // individual plugin instances of the files swept into one file each
         $dir = "lib/plugins/plugin_";
             if(@file_exists(DOKU_INC.$dir.'style.css')){