diff --git a/Dockerfile b/Dockerfile
index 64f349f..bd91c81 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,6 +17,6 @@ RUN git clone https://git.zx2c4.com/password-store && \
   make install && cd .. && \
   rm -rf password-store
 ENV LANG=en_US.UTF-8 LC_CTYPE=en_US.UTF-8 HOME=/root
-WORKDIR HOME
+WORKDIR $HOME
 ADD zshrc /root/.zshrc
 CMD zsh