diff --git a/hack/make/.binary b/hack/make/.binary
index 1d66e12523594..f4d586ec7c493 100644
--- a/hack/make/.binary
+++ b/hack/make/.binary
@@ -26,7 +26,7 @@ source "${MAKEDIR}/.go-autogen"
 					export CGO_ENABLED=1
 					;;
 				linux/arm)
-					case "${GOARM}" in
+					case "$(go env GOARM)" in
 						5)
 							export CC="${CC:-arm-linux-gnueabi-gcc}"
 							export CGO_ENABLED=1