diff --git a/wysiwyg.module b/wysiwyg.module
index 11aa23b..4c79db1 100644
--- a/wysiwyg.module
+++ b/wysiwyg.module
@@ -641,7 +641,12 @@ function wysiwyg_get_css() {
         $files[] = $filepath;
       }
       elseif (file_exists($filepath)) {
-        $files[] = base_path() . $filepath;
+        if (file_uri_scheme($filepath) == 'public') {
+          $files[] = file_create_url($filepath);
+        }
+        else {
+          $files[] = base_path() . $filepath;
+        }
       }
     }
   }