diff --git a/.github/workflows/single-include.yml b/.github/workflows/single-include.yml
index 8d09864..f7b8655 100644
--- a/.github/workflows/single-include.yml
+++ b/.github/workflows/single-include.yml
@@ -10,7 +10,6 @@ jobs:
     
     - name: update single include
       run: |
-        ls
         mv single_include/inja/inja.hpp single_include/inja/inja_old.hpp
         bash scripts/update_single_include.sh
 
diff --git a/single_include/inja/inja.hpp b/single_include/inja/inja.hpp
index 0da6be5..5772128 100644
--- a/single_include/inja/inja.hpp
+++ b/single_include/inja/inja.hpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2019 Pantor. All rights reserved.
 
-#ifndef INCLUDE_INJA_INJA_HPP_
+#ifndef INCLUDE_INJA_INJA_HPP_s
 #define INCLUDE_INJA_INJA_HPP_
 
 #include <functional>