diff --git a/Dockerfile b/Dockerfile
index 072e389..574ee25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ADD . /usr/src/about.i2p
 WORKDIR /usr/src/about.i2p
 RUN adduser --home /home/user --gecos "user,,,," --disabled-password user && \
     mkdir -p /home/user/about.i2p && \
-    chown -r user /home/user/about.i2p
+    chown -R user /home/user/about.i2p
 RUN git clone https://github.com/eyedeekay/cerca ../../cblgh/cerca && \
     go build && \
     cp about.i2p /usr/bin/about.i2p