diff --git a/generate-tarball.sh b/generate-tarball.sh
index 119d648..e1b0a75 100755
--- a/generate-tarball.sh
+++ b/generate-tarball.sh
@@ -10,13 +10,13 @@ wget "https://github.com/cbeust/testng/archive/${upstream_version}.tar.gz" -O "$
 
 rm -rf tarball-tmp
 mkdir tarball-tmp
-cd tarball-tmp
+pushd tarball-tmp
 tar xf "../${name}-${upstream_version}.orig.tar.gz"
 
 # CLEAN TARBALL
 rm -r */gradle* */kobalt*
 rm */src/main/resources/org/testng/jquery-*.js
 
-tar cf "../${name}-${version}.tar.gz" *
-cd ..
+tar -czf "../${name}-${version}.tar.gz" *
+popd
 rm -r tarball-tmp "${name}-${upstream_version}.orig.tar.gz"