diff --git a/developer_guide.md b/developer_guide.md
index b01571013d..36fbc2cf5d 100644
--- a/developer_guide.md
+++ b/developer_guide.md
@@ -7,8 +7,8 @@ Tf-operator is currently at v1. The v1beta2 version will still be supported and
 Create a symbolic link inside your GOPATH to the location you checked out the code
 
 ```sh
-mkdir -p ${GOPATH}/src/github.com/kubeflow
-ln -sf ${GIT_TRAINING} ${GOPATH}/src/github.com/kubeflow/tf-operator
+mkdir -p ${go env GOPATH}/src/github.com/kubeflow
+ln -sf ${GIT_TRAINING} ${go env GOPATH}/src/github.com/kubeflow/tf-operator
 ```
 
 * GIT_TRAINING should be the location where you checked out https://github.com/kubeflow/tf-operator