diff --git a/concourse/tasks/build-mvn-cache.sh b/concourse/tasks/build-mvn-cache.sh
index fde57fe33..32514d9a7 100755
--- a/concourse/tasks/build-mvn-cache.sh
+++ b/concourse/tasks/build-mvn-cache.sh
@@ -8,4 +8,4 @@ cd sts4/vscode-extensions
 
 timestamp=`date +%s`
 tarfile=${workdir}/out/sts4-mvn-cache-${timestamp}.tar.gz
-tar -czvf ${tarfile} ${HOME}/.m2/repository
+tar -czvf ${tarfile} -C ${HOME} .m2/repository