diff --git a/README.md b/README.md
index d6ee783f7c9..7131421a81a 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,10 @@ $ cd $HOME/projects/example-inc/
 $ operator-sdk new app-operator --repo github.com/example-inc/app-operator
 $ cd app-operator
 
+# Check GOROOT environment variable
+$ env | grep GOROOT
+GOROOT=<your goroot path>
+
 # Add a new API for the custom resource AppService
 $ operator-sdk add api --api-version=app.example.com/v1alpha1 --kind=AppService