diff --git a/Makefile b/Makefile
index 6374ee190..7ee32b93e 100644
--- a/Makefile
+++ b/Makefile
@@ -138,10 +138,10 @@ all-push:
 push: .push-$(DOTFILE_IMAGE) push-name
 .push-$(DOTFILE_IMAGE): .container-$(DOTFILE_IMAGE)
 	@docker push $(IMAGE):$(VERSION)
-	@if [[ "$(TAG_LATEST)" == "true" ]]; then \
-		docker tag $(IMAGE):$(VERSION) $(IMAGE):latest; \
-		docker push $(IMAGE):latest; \
-	fi
+ifeq ($(TAG_LATEST), true)
+	docker tag $(IMAGE):$(VERSION) $(IMAGE):latest
+	docker push $(IMAGE):latest
+endif
 	@docker images -q $(IMAGE):$(VERSION) > $@
 
 push-name: