diff --git a/admin_theme.module b/admin_theme.module
index bac5987..cc5465e 100644
--- a/admin_theme.module
+++ b/admin_theme.module
@@ -153,7 +153,7 @@ function admin_theme_custom_theme() {
   $list = admin_theme_list();
   foreach ($list as $info) {
     $var = admin_theme_variable_name($info['module'], $info['option']);
-    if ((bool)variable_get($var, '0') && module_invoke($info['module'], 'admin_theme', 'check', $info['option'])) {
+    if ((bool)variable_get($var, '0') && module_invoke($info['module'], 'admin_theme_check', $info['option'])) {
       $admin_theme = TRUE;
     }
   }