diff --git a/Makefile b/Makefile
index 08fa2bf..69717ce 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ EXT_LD_FLAGS="-Wl,--allow-multiple-definition"
 LD_FLAGS="-w -X main.version=$(VERSION) -X main.build=$(BUILD) -extldflags=$(EXT_LD_FLAGS)"
 
 clean:
-	rm -rf build/ release/
+	rm -rf _build/ _release/
 
 build:
 	glide install
@@ -16,10 +16,10 @@ build-dev:
 
 build-all:
 	mkdir -p build
-	GOOS=darwin GOARCH=amd64 go build -tags release -ldflags $(LD_FLAGS) -o build/ctop-$(VERSION)-darwin-amd64
-	GOOS=linux  GOARCH=amd64 go build -tags release -ldflags $(LD_FLAGS) -o build/ctop-$(VERSION)-linux-amd64
-	GOOS=linux  GOARCH=arm   go build -tags release -ldflags $(LD_FLAGS) -o build/ctop-$(VERSION)-linux-arm
-	GOOS=linux  GOARCH=arm64 go build -tags release -ldflags $(LD_FLAGS) -o build/ctop-$(VERSION)-linux-arm64
+	GOOS=darwin GOARCH=amd64 go build -tags release -ldflags $(LD_FLAGS) -o _build/ctop-$(VERSION)-darwin-amd64
+	GOOS=linux  GOARCH=amd64 go build -tags release -ldflags $(LD_FLAGS) -o _build/ctop-$(VERSION)-linux-amd64
+	GOOS=linux  GOARCH=arm   go build -tags release -ldflags $(LD_FLAGS) -o _build/ctop-$(VERSION)-linux-arm
+	GOOS=linux  GOARCH=arm64 go build -tags release -ldflags $(LD_FLAGS) -o _build/ctop-$(VERSION)-linux-arm64
 
 image:
 	docker build -t ctop_build -f Dockerfile_build .
@@ -28,9 +28,9 @@ image:
 	docker build -t ctop -f Dockerfile .
 
 release:
-	mkdir release
+	mkdir _release
 	go get github.com/progrium/gh-release/...
-	cp build/* release
+	cp _build/* _release
 	gh-release create bcicen/$(NAME) $(VERSION) \
 		$(shell git rev-parse --abbrev-ref HEAD) $(VERSION)