diff --git a/Dockerfile b/Dockerfile
index 1d2d5ff..344e499 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ RUN apt update && apt -y install sshpass rsync doxygen nodejs npm xdot xdotool
 WORKDIR /usr/local
 RUN npm install docusaurus
 
-RUN mkdir /root/.ssh
+RUN mkdir -p /root/.ssh
 COPY ./id_rsa /root/.ssh/
 RUN chmod 700 /root/.ssh && chmod 600 /root/.ssh/*