diff --git a/Makefile b/Makefile
index 57c978c8d0..f66af2a6fd 100644
--- a/Makefile
+++ b/Makefile
@@ -52,6 +52,7 @@ test-only:
 test: lint test-only
 
 test-ci:
+	node -e "console.log('Node has TTY:', process.stdout.isTTY);"
 	make bootstrap
 	make test-only