diff --git a/Makefile b/Makefile
index ecbf769..f7c642c 100644
--- a/Makefile
+++ b/Makefile
@@ -58,7 +58,7 @@ vet: ## Run go vet against code.
 
 .PHONY: test
 test: manifests generate fmt vet envtest ## Run tests.
-	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -coverprofile cover.out
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -coverpkg=./... -coverprofile cover.out
 
 .PHONY: unit-test
 unit-test: manifests generate fmt vet ## Run unit tests which do not involve envtest.