diff --git a/Dockerfile b/Dockerfile
index d97a54a..1976ed0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,8 +22,8 @@ RUN apt update && \
 
 WORKDIR /app
 
-RUN adduser -D ${USER} && chown -R ${USER}:${USER} /app
+RUN adduser -D ${APP_USER} && chown -R ${APP_USER}:${APP_USER} /app
 
-USER ${USER}
+USER ${APP_USER}
 
 CMD ["bash"]
\ No newline at end of file