diff --git a/docker/nix.Dockerfile b/docker/nix.Dockerfile
index f3b3500b..823f7c72 100644
--- a/docker/nix.Dockerfile
+++ b/docker/nix.Dockerfile
@@ -1,7 +1,6 @@
 FROM nixos/nix:2.17.0
 
 RUN nix --version
-# RUN nix-channel --update
 
 # hadolint ignore=DL3059
 RUN nix-channel --update \
diff --git a/makefile b/makefile
index a8f10f6c..4289b629 100644
--- a/makefile
+++ b/makefile
@@ -16,7 +16,7 @@ usage:
 .PHONY: build-pure-on
 build-pure-on: STAGE?=only-fish
 build-pure-on:
-	docker build \
+	docker buildx build \
 		--quiet \
 		--file ./docker/Dockerfile \
 		--target ${STAGE} \
@@ -61,7 +61,7 @@ dev-with-pure-installed:
 
 build-pure-on-nix: STAGE?=nix
 build-pure-on-nix:
-	docker build \
+	docker buildx build \
 		--file ./docker/${STAGE}.Dockerfile \
 		--build-arg FISH_VERSION=${FISH_VERSION} \
 		--tag=pure-${STAGE}-${FISH_VERSION} \