diff --git a/README.md b/README.md
index 77e82d9..a6d84ff 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ The easiest way to run your hosts against the Docker Bench for Security is by ru
 
 ```sh
 docker run -it --net host --pid host --cap-add audit_control \
+    -e DOCKER_CONTENT_TRUST=$DOCKER_CONTENT_TRUST \
     -v /var/lib:/var/lib \
     -v /var/run/docker.sock:/var/run/docker.sock \
     -v /usr/lib/systemd:/usr/lib/systemd \
@@ -37,6 +38,7 @@ git clone https://github.com/docker/docker-bench-security.git
 cd docker-bench-security
 docker build -t docker-bench-security .
 docker run -it --net host --pid host --cap-add audit_control \
+    -e DOCKER_CONTENT_TRUST=$DOCKER_CONTENT_TRUST \
     -v /var/lib:/var/lib \
     -v /var/run/docker.sock:/var/run/docker.sock \
     -v /usr/lib/systemd:/usr/lib/systemd \