diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4962ae13..6f2edfb0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -221,5 +221,7 @@ jobs:
             # (odd).
             # tests/check-all
             # make -j 15 check || (cat ./test-suite.log; false)
+            pwd
+            ls -la
             make check-local-c-list
           done
diff --git a/tools/check-c-list.sh b/tools/check-c-list.sh
index 759ba424..f18ad170 100755
--- a/tools/check-c-list.sh
+++ b/tools/check-c-list.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/bash
 
-set -e
+set -ex
 
 print_and_exit() {
 	local err="$1"