diff --git a/.gitignore b/.gitignore
index 2c6563bcfc..e27362fdc4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ npm-debug.log
 
 bundle*.js
 model/version.go
+model/version.go.bak
 
 
 # Compiled Object files, Static and Dynamic libs (Shared Objects)
diff --git a/Makefile b/Makefile
index a6541b7482..cf8410ef14 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 GOPATH ?= $(GOPATH:)
 GOFLAGS ?= $(GOFLAGS:)
 BUILD_NUMBER ?= $(BUILD_NUMBER:)
-BUILD_DATE=`date +'%y.%m.%d %H:%M:%S'`
+BUILD_DATE = $(shell date -u)
 
 GO=$(GOPATH)/bin/godep go
 ESLINT=node_modules/eslint/bin/eslint.js