diff --git a/Makefile b/Makefile
index f7999edbf..26633402d 100644
--- a/Makefile
+++ b/Makefile
@@ -77,6 +77,10 @@ test.sam: $(GOTEST)
 	$(GOTEST) -covermode count -coverprofile .cover.out -v ./sam/repository/...
 	$(GO) tool cover -func=.cover.out | grep --color "^\|[^0-9]0.0%"
 
+test.sam.db: $(GOTEST)
+	$(GOTEST) -covermode count -coverprofile .cover.out -v ./sam/db/...
+	$(GO) tool cover -func=.cover.out | grep --color "^\|[^0-9]0.0%"
+
 test.pubsub: $(GOTEST)
 	$(GOTEST) -run PubSubMemory -covermode count -coverprofile .cover.out -v ./sam/repository/pubsub*.go ./sam/repository/flags*.go ./sam/repository/error*.go
 	perl -pi -e 's/command-line-arguments/.\/sam\/repository/g' .cover.out