diff --git a/Makefile b/Makefile
index 0546a38..a13f5aa 100644
--- a/Makefile
+++ b/Makefile
@@ -5,13 +5,19 @@ BUILD_DIR = build
 all: clean deps build
 
 .PHONY:build
-build: $(BUILD_DIR)/$(BINARY) $(BUILD_DIR)/public
+build: go js
+
+.PHONY: js
+js: $(BUILD_DIR)/public
+
+.PHONY: go
+go: $(BUILD_DIR)/$(BINARY)
 
 $(BUILD_DIR)/$(BINARY):  
 	go build -o $(BUILD_DIR)/$(BINARY) cmd/s3share.go 
 
 $(BUILD_DIR)/public:
-	npm run build && cp -r public/ $(BUILD_DIR)/public
+	npm run build && mkdir -p $(BUILD_DIR) &&cp -r public/ $(BUILD_DIR)/public
 
 .PHONY: deps
 deps: node_modules