diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ebed1cc..230495f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -58,7 +58,7 @@ jobs:
           curl -Ls -o REL_14_5.tar.gz https://github.com/postgres/postgres/archive/refs/tags/REL_14_5.tar.gz
           7z x REL_14_5.tar.gz
           7z x REL_14_5.tar
-          ls -R .
+          ls ./postgres-REL_14_5/src/test/perl
           set PROVE=prove
           set PROVE_FLAGS="-I ./postgres-REL_14_5/src/test/perl"
           nmake /NOLOGO /F Makefile.win prove_installcheck