diff --git a/Dockerfile b/Dockerfile
index 1ec7826..a14b4c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,4 +12,4 @@ RUN wget http://fpdownload.macromedia.com/get/flashplayer/pdc/11.2.202.635/insta
 ADD ./conf/xstartup /root/.vnc/xstartup
 RUN echo "xiaosong" | /usr/bin/vncpasswd -f > /root/.vnc/passwd
 EXPOSE 5901
-CMD ["bash"]
+CMD ["/bin/bash"]