diff --git a/Dockerfile b/Dockerfile
index d9ead07..31dfb0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ ADD ./fonts/SourceHanSansCN-Regular.otf /usr/share/fonts/SourceHanSansCN-Regular
 
 RUN apt-get install -y nano net-tools ca-certificates
 
-RUN rm -f /cartodb 
+RUN rm -rf /cartodb 
 
 RUN git clone https://git.kongjian.xin:8443/cartodb/cartodb-4.29.git cartodb && \
     cd cartodb && \