diff --git a/Dockerfile b/Dockerfile
index dd9afc0..02a1c87 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,8 +21,7 @@ RUN \
 USER arduino
 
 RUN \
-  USER=arduino && \
-  arduino-cli config init
+  env USER=arduino arduino-cli config init
 
 CMD ["/bin/bash"]