diff --git a/Makefile b/Makefile
index 72bcec3d..628d8c7d 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,8 @@ ENVTEST_ASSETS_DIR=$(shell pwd)/testbin
 test: generate fmt vet manifests
 	mkdir -p ${ENVTEST_ASSETS_DIR}
 	test -f ${ENVTEST_ASSETS_DIR}/setup-envtest.sh || curl -sSLo ${ENVTEST_ASSETS_DIR}/setup-envtest.sh https://raw.githubusercontent.com/kubernetes-sigs/controller-runtime/v0.7.0/hack/setup-envtest.sh
-	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile cover.out
+	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile coverage.txt
+	go tool cover -html=./coverage.txt -o cover.html
 
 # Build manager binary
 manager: generate fmt vet