diff --git a/.travis.yml b/.travis.yml
index f1c55953d..e768510c7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,8 @@ jobs:
         - (IFS=:; for x in $PATH; do echo "$x"; ls -l "$x"; echo; done)
         - type python; python --version
         - type python3; python3 --version
+        - ls -l /c
+        - ls -l /c/[Pp]ython*
         - python scripts/generate_psa_constants.py
         - scripts/windows_msbuild.bat v141 # Visual Studio 2017