diff --git a/Dockerfile b/Dockerfile
index 32aee83..91d09c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,13 +14,8 @@ ENV UID=12345
 ENV GID=23456
 
 RUN addgroup -S docker \
-   && adduser \
-    --disabled-password \
-    --gecos "" \
-    --home "/home/$USERhome" \
-    --ingroup "$USERhome" \
-    --uid "$UID" \
-    "$USERhome"
+   && adduser -D -g "" -h "/home/${USERhome}" -G "${USERhome}" -U "${UID}" "${USERhome}"
+