diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix
index feddd0230721..2456d6d573e7 100644
--- a/nixos/modules/virtualisation/qemu-vm.nix
+++ b/nixos/modules/virtualisation/qemu-vm.nix
@@ -1108,6 +1108,7 @@ in
       xchg = {
         source = ''"$TMPDIR"/xchg'';
         securityModel = "none";
+        securityModel = "none";
         target = "/tmp/xchg";
       };
       shared = {