diff --git a/aria2/Dockerfile b/aria2/Dockerfile
index 7f87ca3..b42101a 100644
--- a/aria2/Dockerfile
+++ b/aria2/Dockerfile
@@ -7,8 +7,8 @@ MAINTAINER kev <noreply@datageek.info>
 
 ENV DIR   /var/lib/aria2
 ENV ETC   /etc/aria2
-ENV CERT  server-cert.pem
-ENV KEY   server-key.pem
+ENV CERT  $ETC/server-cert.pem
+ENV KEY   $ETC/server-key.pem
 ENV TOKEN 00000000-0000-0000-0000-000000000000
 ENV PORT  6800
 
@@ -16,7 +16,6 @@ RUN apt-get update \
     && apt-get install -y aria2 openssl \
     && rm -rf /var/lib/apt/lists/* \
     && mkdir -p $ETC $DIR \
-    && cd $ETC \
     && openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout $KEY -out $CERT -batch
 
 EXPOSE $PORT