diff --git a/.github/workflows/check-documentation.yml b/.github/workflows/check-documentation.yml
index 5a08b39b9..243ffe5b6 100644
--- a/.github/workflows/check-documentation.yml
+++ b/.github/workflows/check-documentation.yml
@@ -40,4 +40,4 @@ jobs:
         check-modified-files-only: 'no'
         config-file: '.github/workflows/mlc_config.json'
         base-branch: 'master'
-        folder-path: '.', '!./deployment/src/old/'
+        folder-path: '., !./deployment/src/old/'