diff --git a/Dockerfile b/Dockerfile
index f1d8e5f..fa8703b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update 
 RUN apt-get install -y fonts-ipafont graphviz wget openjdk-8-jre git curl
-RUN wget -P / --content-disposition https://sourceforge.net/projects/plantuml/files/plantuml.jar/download
+RUN wget -P / -O plantuml.jar --content-disposition https://sourceforge.net/projects/plantuml/files/plantuml.jar/download
 
 COPY entrypoint.sh /entrypoint.sh