diff --git a/templates/lxc-centos.in b/templates/lxc-centos.in
index 85d4f3768..b489e0e15 100644
--- a/templates/lxc-centos.in
+++ b/templates/lxc-centos.in
@@ -413,7 +413,7 @@ download_centos()
 
     # download a mini centos into a cache
     echo "Downloading centos minimal ..."
-    if [ $(yum -h | grep 'releasever=RELEASEVER') ];then
+    if yum -h | grep -q 'releasever=RELEASEVER'; then
         YUM="yum --installroot $INSTALL_ROOT -y --nogpgcheck --releasever=$release"
     else
         YUM="yum --installroot $INSTALL_ROOT -y --nogpgcheck"