diff --git a/Dockerfile b/Dockerfile
index ee6215a..ca95566 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,10 @@ RUN cd /root
     sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" &&\
     ln -sf /root/zshrc/rc /root/.zshrc                                                          &&\
     git clone https://github.com/zsh-users/zsh-syntax-highlighting.git \
-    ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
+    ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting                          &&\
+    chsh -s /bin/zsh
 
 RUN git clone --depth 1 https://github.com/junegunn/fzf.git /root/.fzf &&\
     /root/.fzf/install
+
+CMD ["/bin/zsh"]
diff --git a/debian-here.sh b/debian-here.sh
index fe4b31c..14d00e1 100755
--- a/debian-here.sh
+++ b/debian-here.sh
@@ -22,7 +22,7 @@ run() {
     fi
 
     mount_point="/mnt/$(basename "$here")"
-    docker run --rm -ti -v "$here":"$mount_point" -w "$mount_point" debian-here /bin/zsh
+    docker run --rm -ti -v "$here":"$mount_point" -w "$mount_point" debian-here "$@"
 }
 
-run
+run "$@"