diff --git a/Dockerfile b/Dockerfile
index 01c34b042..becfe66eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,8 @@ FROM java:8
 
 MAINTAINER Timo Pagel <dependencycheckmaintainer@timo-pagel.de>
 
+ENV user=dockeruser
+
 RUN wget -O /tmp/current.txt http://jeremylong.github.io/DependencyCheck/current.txt && \
  current=$(cat /tmp/current.txt) && \
  wget https://dl.bintray.com/jeremy-long/owasp/dependency-check-$current-release.zip && \
@@ -9,12 +11,12 @@ RUN wget -O /tmp/current.txt http://jeremylong.github.io/DependencyCheck/current
  rm dependency-check-$current-release.zip && \
  mv dependency-check /usr/share/
 
-RUN useradd -ms /bin/bash dockeruser && \
- chown -R dockeruser:dockeruser /usr/share/dependency-check && \
+RUN useradd -ms /bin/bash ${user} && \
+ chown -R ${user}:${user} /usr/share/dependency-check && \
  mkdir /report && \
- chown -R dockeruser:dockeruser /report
+ chown -R ${user}:${user} /report
 
-USER dockeruser
+USER ${user}
 
 VOLUME ["/src" "/usr/share/dependency-check/data" "/report"]