diff --git a/Dockerfile.md b/Dockerfile.md
index f66fc0a..997025e 100644
--- a/Dockerfile.md
+++ b/Dockerfile.md
@@ -1,11 +1,11 @@
 ## Usage:
 ```
-docker run -t testssl.sh example.com
+docker run --user=nobody -t testssl.sh example.com
 ```
 
 Or pull image from docker hub, then run:
 ```
-docker run -t drwetter/testssl.sh example.com
+docker run --user=nobody -t drwetter/testssl.sh example.com
 ```
 
 This is a experimental version with Debian Linux. Don\'t rely on it!