diff --git a/Makefile b/Makefile
index 450b1054..15276b50 100644
--- a/Makefile
+++ b/Makefile
@@ -450,8 +450,8 @@ else
 	# Download minikube.
 	curl -Lo minikube https://storage.googleapis.com/minikube/releases/$(MINIKUBE_VERSION)/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
 	curl -Lo operator-sdk https://github.com/operator-framework/operator-sdk/releases/download/$(OPERATOR_SDK_VERSION)/operator-sdk-$(OPERATOR_SDK_VERSION)-x86_64-linux-gnu && chmod +x operator-sdk && sudo mv operator-sdk /usr/local/bin/
-	mkdir -p $HOME/.kube $HOME/.minikube
-	touch $KUBECONFIG
+	mkdir -p $(HOME)/.kube $(HOME)/.minikube
+	touch $(KUBECONFIG)
 	sudo minikube start --vm-driver=none --kubernetes-version=v1.12.9
 	sudo chown -R travis: /home/travis/.minikube/
 endif
\ No newline at end of file