diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix
index 5a020f5520c5..4772cedb4beb 100644
--- a/nixos/modules/virtualisation/qemu-vm.nix
+++ b/nixos/modules/virtualisation/qemu-vm.nix
@@ -1314,6 +1314,7 @@ in
               {
                 device = "tmpfs";
                 fsType = "tmpfs";
+                options = [ "mode=755" ];
               }
             else
               {