diff --git a/DockerStandaloneHost/elements/docker/install.d/56-docker b/DockerStandaloneHost/elements/docker/install.d/56-docker
index b6997ef..e284698 100755
--- a/DockerStandaloneHost/elements/docker/install.d/56-docker
+++ b/DockerStandaloneHost/elements/docker/install.d/56-docker
@@ -15,7 +15,8 @@ if [ "${os}" = "Linux" ] ; then
     fi
 fi
 
-dist_name=$(lowercase $dist_name)
+# Convert ditribition name to lowercase
+dist_name=${dist_name,,}
 
 if [ "${dist_name}" == 'ubuntu' ]; then
     if [ -e /usr/lib/apt/methods/https ]; then
diff --git a/Kubernetes/KubernetesCluster/elements/docker/install.d/56-docker b/Kubernetes/KubernetesCluster/elements/docker/install.d/56-docker
index b6997ef..e284698 100755
--- a/Kubernetes/KubernetesCluster/elements/docker/install.d/56-docker
+++ b/Kubernetes/KubernetesCluster/elements/docker/install.d/56-docker
@@ -15,7 +15,8 @@ if [ "${os}" = "Linux" ] ; then
     fi
 fi
 
-dist_name=$(lowercase $dist_name)
+# Convert ditribition name to lowercase
+dist_name=${dist_name,,}
 
 if [ "${dist_name}" == 'ubuntu' ]; then
     if [ -e /usr/lib/apt/methods/https ]; then