diff --git a/README.md b/README.md
index f2db1ffe..4d854a7d 100644
--- a/README.md
+++ b/README.md
@@ -232,7 +232,7 @@ docker logs -f sshportal
 Get the latest version using GO.
 
 ```sh
-go get -u moul.io/sshportal
+GO111MODULE=on go get -u moul.io/sshportal
 ```
 
 ---