diff --git a/Makefile b/Makefile
index 1b99c9c..86bf3d2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 BINARY_NAME=kitura
 PACKAGE_NAME=kitura-cli
-ARCH=???
+ARCH=amd64
 LINUX_DIR=linux-$(ARCH)
 LINUX_PATH=/usr/local/bin
 LINUX_BINARY=$(LINUX_DIR)$(LINUX_PATH)/$(BINARY_NAME)