diff --git a/wysiwyg.module b/wysiwyg.module
index b6a4027..2ab4856 100644
--- a/wysiwyg.module
+++ b/wysiwyg.module
@@ -638,8 +638,8 @@ function wysiwyg_get_css() {
       if ($info['type'] == 'external') {
         $files[] = $filepath;
       }
-      elseif (file_exists($filepath)) {
-        $files[] = base_path() . $filepath;
+      elseif ($info['type'] == 'file') {
+        $files[] = file_create_url($filepath);
       }
     }
   }