diff --git a/Dockerfile b/Dockerfile
index 246c862..ff08b45 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,12 @@
 ARG PKG="build-essential pkg-config gdb libssl-dev libpcre2-dev libargon2-0-dev libsodium-dev libc-ares-dev libcurl4-openssl-dev wget"
 ARG VER="6.1.10"
+ARG GID=10000
 ARG UID=10000
 
 FROM debian:bookworm
 ARG PKG
 ARG VER
+ARG GID
 ARG UID
 
 COPY ./config.settings /tmp/config.settings
@@ -18,9 +20,11 @@ RUN set -x \
     && cd ./unrealircd-${VER}/ \
     && cp /tmp/config.settings /usr/src/ircd/unrealircd-${VER}/config.settings \
     && ./Config -quick \
-    && make -j$(nproc) && make install \
+    && make -j$(nproc) \
+    && make install \
     && rm -rf /usr/src/ircd \
-    && addgroup -S unreal && adduser -u ${UID} -S unreal -G unreal
+    && addgroup --gid ${GID} --system unreal \
+    && adduser --uid ${UID} --gid ${GID} --system unreal
 
 WORKDIR /ircd
 RUN set -x \