diff --git a/Makefile b/Makefile
index ec675a3186..89c6ae8707 100644
--- a/Makefile
+++ b/Makefile
@@ -118,11 +118,15 @@ web:
 	source .image.env && ${MAKE} -C web build-kotsadm
 
 .PHONY: build-ttl.sh
+build-ttl.sh: export GOOS ?= $(OS)
+build-ttl.sh: export GOARCH ?= $(ARCH)
 build-ttl.sh: web kots build
 	docker build --platform $(OS)/$(ARCH) -f dev/dockerfiles/kotsadm/Dockerfile.ttlsh -t ttl.sh/${CURRENT_USER}/kotsadm:24h .
 	docker push ttl.sh/${CURRENT_USER}/kotsadm:24h
 
 .PHONY: all-ttl.sh
+all-ttl.sh: export GOOS ?= $(OS)
+all-ttl.sh: export GOARCH ?= $(ARCH)
 all-ttl.sh: build-ttl.sh
 	source .image.env && \
 		IMAGE=ttl.sh/${CURRENT_USER}/kotsadm-migrations:24h \