diff --git a/mothership/functions/css.php b/mothership/functions/css.php
index 99d0a6c..5af39ee 100644
--- a/mothership/functions/css.php
+++ b/mothership/functions/css.php
@@ -106,7 +106,7 @@ function mothership_css_alter(&$css) {
         strpos($file, 'toolbar.css') == FALSE
 
       ) {
-        if (strpos($file, 'modules/') !== FALSE) {
+        if (substr($file, 0, 8) == 'modules/') {
           unset($css[$file]);
         }
       }