diff --git a/nixos/modules/virtualisation/libvirtd.nix b/nixos/modules/virtualisation/libvirtd.nix
index eeaec8e35f11..4f22099443f4 100644
--- a/nixos/modules/virtualisation/libvirtd.nix
+++ b/nixos/modules/virtualisation/libvirtd.nix
@@ -218,7 +218,7 @@ in {
       after = [ "systemd-udev-settle.service" "libvirtd-config.service" ]
               ++ optional vswitch.enable "ovs-vswitchd.service";
 
-      environment.LIBVIRTD_ARGS = concatMapStringsSep " " escapeShellArg (
+      environment.LIBVIRTD_ARGS = escapeShellArgs (
         [ "--config" configFile
           "--timeout" "120"     # from ${libvirt}/var/lib/sysconfig/libvirtd
         ] ++ cfg.extraOptions);