diff --git a/generate-tarball.sh b/generate-tarball.sh
index a86a470..1457e3a 100755
--- a/generate-tarball.sh
+++ b/generate-tarball.sh
@@ -9,13 +9,13 @@ wget "http://www.apache.org/dist/${name}/engine/${version}/${name}-${version}.ta
 
 rm -rf tarball-tmp
 mkdir tarball-tmp
-cd tarball-tmp
+pushd tarball-tmp
 tar xf "../${name}-${version}.orig.tar.gz"
 
 # CLEAN TARBALL
 rm -r */*.jar
 rm -r */lib
 
-tar cf "../${name}-${version}.tar.gz" *
-cd ..
+tar -czf "../${name}-${version}.tar.gz" *
+popd
 rm -r tarball-tmp "${name}-${version}.orig.tar.gz"