diff --git a/nixos/modules/virtualisation/azure-image.nix b/nixos/modules/virtualisation/azure-image.nix
index 91fae88fc98c..33f84986cac6 100644
--- a/nixos/modules/virtualisation/azure-image.nix
+++ b/nixos/modules/virtualisation/azure-image.nix
@@ -16,14 +16,14 @@ in
               cyl=$(((${diskSize}*1024*1024)/(512*63*255)))
               size=$(($cyl*255*63*512))              
               roundedsize=$((($size/(1024*1024)+1)*(1024*1024)))
-              ${pkgs.vmTools.qemu}/bin/qemu-img create -f raw $diskImage $roundedsize
+              ${pkgs.vmTools.qemu-220}/bin/qemu-img create -f raw $diskImage $roundedsize
               mv closure xchg/
             '';
 
           postVM =
             ''
               mkdir -p $out
-              ${pkgs.qemu}/bin/qemu-img convert -f raw -o force_size -O vpc $diskImage $out/disk.vhd
+              ${pkgs.vmTools.qemu-220}/bin/qemu-img convert -f raw -o subformat=fixed -O vpc $diskImage $out/disk.vhd
               rm $diskImage
             '';
           diskImageBase = "nixos-image-${config.system.nixosLabel}-${pkgs.stdenv.system}.raw";