diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 0cb69b5..eb8b7db 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -23,7 +23,7 @@ jobs:
           export TABLE_MODE=1
           export GIT_EXTERNAL_DIFF=./frappe_schema_json_diff.py
           echo $GIT_EXTERNAL_DIFF
-          chmod -x ./frappe_schema_json_diff.py
+          chmod +x ./frappe_schema_json_diff.py
           git --no-pager diff