diff --git a/.github/workflows/podvm_mkosi.yaml b/.github/workflows/podvm_mkosi.yaml
index 26051a97a..ef8599cad 100644
--- a/.github/workflows/podvm_mkosi.yaml
+++ b/.github/workflows/podvm_mkosi.yaml
@@ -32,7 +32,6 @@ jobs:
       - name: Build builder
         uses: docker/build-push-action@v5
         with:
-          platforms: linux/amd64,linux/s390x
           tags: ghcr.io/${{ github.repository }}/podvm/builder-fedora:${{ github.sha }}
           file: podvm/Dockerfile.podvm_builder.fedora
           push: true
@@ -40,7 +39,6 @@ jobs:
       - name: Build binaries
         uses: docker/build-push-action@v5
         with:
-          platforms: linux/amd64,linux/s390x
           tags: ghcr.io/${{ github.repository }}/podvm/binaries-fedora:${{ github.sha }}
           file: podvm/Dockerfile.podvm_binaries.fedora
           push: true
diff --git a/podvm-mkosi/Makefile b/podvm-mkosi/Makefile
index 20ab6808b..b4e79f2bd 100644
--- a/podvm-mkosi/Makefile
+++ b/podvm-mkosi/Makefile
@@ -13,7 +13,7 @@ fedora-binaries-builder:
 	docker buildx build \
 		-t fedora-binaries-builder \
 		--load \
-		- < ../podvm/Dockerfile.podvm_builder.fedora
+		-f ../podvm/Dockerfile.podvm_builder.fedora ../.
 
 PHONY: binaries
 binaries:
@@ -24,7 +24,7 @@ binaries:
 		--build-arg BUILDER_IMG=fedora-binaries-builder \
 		--build-arg AA_KBC=$(AA_KBC) \
 		-o type=local,dest="./resources/binaries-tree" \
-		- < ../podvm/Dockerfile.podvm_binaries.fedora
+		-f ../podvm/Dockerfile.podvm_binaries.fedora ../.
 
 PHONY: image
 image: