diff --git a/Makefile b/Makefile
index 5089479d..fea4d489 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 .PHONY: test unittest lint
 
+ARCH=$(shell uname -m)
 GO=CGO_ENABLED=1 GO111MODULE=on go
 
 tidy: