diff --git a/alpine-3.17.Dockerfile b/alpine-3.17.Dockerfile
index 695c9ad..e4e7909 100644
--- a/alpine-3.17.Dockerfile
+++ b/alpine-3.17.Dockerfile
@@ -63,5 +63,5 @@ RUN gem install tebako && \
     tebako press -R 3.2.5 -r /root/test -e tebako-test-run.rb -o ruby-3.2.5-package && \
     rm ruby-*-package
 
-ENV PS1="\[\]\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ \[\]"
+ENV PS1="\[\]\[\e]0;\u@\h: \w\a\]\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ \[\]"
 CMD ["bash"]