diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index b4cc0d1..3c01db1 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -5,7 +5,8 @@ ARG USER_UID=1000
 ARG USER_GID=$USER_UID
 
 ENV DEBIAN_FRONTEND=noninteractive
-RUN deluser ubuntu && groupadd --gid $USER_GID $USERNAME \
+RUN userdel $(getent passwd 1000 | cut -d: -f1)
+RUN groupadd --gid $USER_GID $USERNAME \
     && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \
     && apt-get update \
     && apt-get install -y sudo \