diff --git a/Makefile b/Makefile
index d81fdf817..ced181027 100644
--- a/Makefile
+++ b/Makefile
@@ -194,7 +194,7 @@ YTT_VERSION ?= v0.50.0
 YTT = $(LOCAL_TESTBIN)/ytt
 $(YTT): | $(LOCAL_TESTBIN)
 	mkdir -p $(LOCAL_TESTBIN)
-	curl -sSL -o $(YTT) https://github.com/carvel-dev/ytt/releases/download/$(YTT_VERSION)/ytt-$(platform)-$(shell go env GOARCH)
+	curl -sSL -o $(YTT) https://github.com/carvel-dev/ytt/releases/download/$(YTT_VERSION)/ytt-$(platform)-$(ARCHITECTURE)
 	chmod +x $(YTT)
 
 QUAY_IO_OPERATOR_IMAGE ?= quay.io/rabbitmqoperator/cluster-operator:latest