diff --git a/README.md b/README.md
index cb6f539..9af0c2c 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,7 @@ jobs:
       id: compliance
       uses: fossology/fossology-action@v1
       with:
-        scan-mode: 'differential'
+        scan_mode: 'differential'
         scanners: 'nomos ojo copyright keyword'
         from_tag: 'v003'
         to_tag: 'v004'