diff --git a/Dockerfile b/Dockerfile
index 933ce9d8..48338909 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ FROM base AS dev
 ARG USER_ID
 ARG GROUP_ID
 
-RUN groupadd -o -g $GROUP_ID -r usergrp
+RUN getent group $GROUP_ID || groupadd -o -g $GROUP_ID -r usergrp
 RUN useradd -o -m -u $USER_ID -g $GROUP_ID user
 RUN chown user /code