diff --git a/tools/travis-ci/install.sh b/tools/travis-ci/install.sh
index ff935c0b..740299f0 100755
--- a/tools/travis-ci/install.sh
+++ b/tools/travis-ci/install.sh
@@ -71,6 +71,7 @@ if [ "${OPJ_CI_SKIP_TESTS:-}" != "1" ]; then
 	if [ "${APPVEYOR:-}" == "True" ]; then
 		wget --local-encoding=UTF-8 http://dl.bintray.com/openplanets/opf-windows/jpylyzer_1.14.2_win32.zip
 		cmake -E tar -xf jpylyzer_1.14.2_win32.zip
+		ls -l .
 		mv jpylyzer_1.14.2_win32 jpylyzer
 	else
 		wget -qO - https://github.com/openpreserve/jpylyzer/archive/1.14.2.tar.gz | tar -xz