diff --git a/jenkins.sh b/jenkins.sh
index 4bb7a77..7cb355f 100755
--- a/jenkins.sh
+++ b/jenkins.sh
@@ -1,4 +1,10 @@
 #! /bin/bash
 
-exec java $JAVA_OPTS -jar /usr/share/jenkins/jenkins.war $JENKINS_OPTS --prefix=$JENKINS_PREFIX $@
+# if `docker run` first argument start with `--` the user is passing jenkins launcher arguments
+if [[ $# -lt 1 ]] || [[ "$1" == "--"* ]]; then
+   exec java $JAVA_OPTS -jar /usr/share/jenkins/jenkins.war $JENKINS_OPTS --prefix=$JENKINS_PREFIX $@
+fi
+
+# As argument is not jenkins, assume user want to run his own process, for sample a `bash` shell to explore this image
+exec $@