diff --git a/.github/workflows/proxy-tests.yml b/.github/workflows/proxy-tests.yml
index 319801a..aaa749b 100644
--- a/.github/workflows/proxy-tests.yml
+++ b/.github/workflows/proxy-tests.yml
@@ -31,7 +31,7 @@ jobs:
               run: |
                 sudo apt-get update
                 sudo apt-get install -q build-essential libreadline-dev libncurses-dev lua5.3 -y
-
+                which lua
             #############
             # Note: leado/gh-actions-lua doesn't seem to work with self-hosted runners
             # See issue #33 https://github.com/leafo/gh-actions-lua/issues/33