diff --git a/Makefile b/Makefile
index e63486240..376d52e87 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ TEST_ARTIFACTS = prometheus prometheus.build search_index
 all: test
 
 test: build
-	go test ./...
+	go test ./... $(GO_TEST_FLAGS)
 
 build:
 	$(MAKE) -C model
diff --git a/Makefile.TRAVIS b/Makefile.TRAVIS
index 74402dcdd..c80299518 100644
--- a/Makefile.TRAVIS
+++ b/Makefile.TRAVIS
@@ -28,6 +28,8 @@ export LDFLAGS := $(LDFLAGS) -L$(OVERLAY_ROOT)/lib
 export CGO_CFLAGS := $(CFLAGS) -lsnappy
 export CGO_LDFLAGS := $(LDFLAGS)
 
+export GO_TEST_FLAGS := "-v"
+
 GO_GET := go get -u -v -x
 APT_GET_INSTALL := sudo apt-get install -y
 WGET := wget -c