diff --git a/code/LeftAndMain.php b/code/LeftAndMain.php
index 49ab34c7..025a4e2b 100644
--- a/code/LeftAndMain.php
+++ b/code/LeftAndMain.php
@@ -234,7 +234,7 @@ class LeftAndMain extends Controller {
 		}
 		
 		foreach (self::$extra_requirements['themedcss'] as $file) {
-			Requirements::css($file[0], $file[1]);
+			Requirements::themedCSS($file[0], $file[1]);
 		}
 		
 		Requirements::customScript('Behaviour.addLoader(hideLoading);');