diff --git a/fancybox.module b/fancybox.module
index 44f6108..2b17142 100644
--- a/fancybox.module
+++ b/fancybox.module
@@ -87,7 +87,7 @@ function fancybox_activate($settings = NULL) {
     }
     
     // Add Fancybox files.
-    $path = libraries_get_path('fancybox') . DIRECTORY_SEPARATOR;
+    $path = libraries_get_path('fancybox') . '/';
     $files = variable_get('fancybox_files', array());
 
     // TODO: add easing