diff --git a/.github/workflows/make_files_tree.yml b/.github/workflows/make_files_tree.yml
index 35f41f3934..ad9195070a 100644
--- a/.github/workflows/make_files_tree.yml
+++ b/.github/workflows/make_files_tree.yml
@@ -20,7 +20,7 @@ jobs:
       matrix:
         include:
           - mode: web
-            os: ubuntu-20.04
+            os: macos-10.15
 
           - mode: web_res
             os: ubuntu-20.04