diff --git a/theme/mimemail.theme.inc b/theme/mimemail.theme.inc
index 2a2df7c..fe4c4f2 100644
--- a/theme/mimemail.theme.inc
+++ b/theme/mimemail.theme.inc
@@ -82,7 +82,7 @@ function template_preprocess_mimemail_message(&$variables) {
     // Process each style sheet.
     foreach (explode("\n", $styles) as $style) {
       if (!empty($style)) {
-        $css .= drupal_load_stylesheet($style, TRUE);
+        $css .= drupal_load_stylesheet($style);
       }
     }
 
