diff --git a/Dockerfile b/Dockerfile
index 86fc949..83217f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,14 +24,15 @@ RUN \
   useradd -m -r -u $ArduinoUID -g $USER -G dialout $USER
 
 USER $USER
-WORKDIR /home/$USER
+WORKDIR ~
 
 RUN \
   arduino-cli config init 
 
-COPY arduino-cli.yaml /home/$USER/.arduino15/
+COPY arduino-cli.yaml ~/.arduino15
 
 RUN \
+  ls -l ~/.arduino16 && \
   arduino-cli core update-index && \
   arduino-cli core install arduino:avr && \
   arduino-cli core install arduino:samd && \