diff --git a/Dockerfile b/Dockerfile
index fa8e604..d1f670d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,15 +3,15 @@ MAINTAINER kvl.olg@gmail.com
 
 RUN useradd --user-group --create-home --shell /bin/false nodejs
 
-ENV HOME=/home/nodejs
-ENV LOGS=/home/nodejs/logs
-ENV NODE_ENV=production
-ENV LOGGER=$HOME/app/node_modules/.bin/bunyan
+ENV HOME="/home/nodejs"
+ENV LOGS="/home/nodejs/logs"
+ENV NODE_ENV="production"
+ENV LOGGER="$HOME/app/node_modules/.bin/bunyan"
 
 COPY package.json $HOME/app/
-RUN "chown -R nodejs:nodejs $HOME/*"
-RUN "mkdir $LOGS"
-RUN "chown -R nodejs:nodejs $LOGS/"
+RUN chown -R nodejs:nodejs $HOME/*
+RUN mkdir $LOGS
+RUN chown -R nodejs:nodejs $LOGS/
 
 USER nodejs
 WORKDIR $HOME/app