diff --git a/monad-docker.sh b/monad-docker.sh
index 231613f468..f2f199d6f5 100644
--- a/monad-docker.sh
+++ b/monad-docker.sh
@@ -49,6 +49,6 @@ monad-impersonate()
     fi
     echo \
 	groupadd -o -f -g $CGID $CGROUP '&&' \
-	useradd -u $CUID -g $CGID -d /opt $CUSER '&&' \
+	useradd -u $CUID -g $CGID -G sudo -d /opt $CUSER '&&' \
 	sudo --set-home -u $CUSER -g $CGROUP --
 }