diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e6edbbab42ede61c41f171ec01e21d5acce8d2a9..622e05815d4d64b390ac5437609b94f26d7f3e7c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -66,6 +66,7 @@ jobs:
         # Womtool validate checks very slowly, so this saves a lot of time.
         run: |
           bash -c "
+            set -x
             for WDL_FILE in $(git diff --name-only origin/${{github.base_ref}} | grep -E '*.wdl$'); do
               womtool validate $WDL_FILE
             done