diff --git a/nixos/modules/system/boot/networkd.nix b/nixos/modules/system/boot/networkd.nix
index f96dde153610..b151b5688928 100644
--- a/nixos/modules/system/boot/networkd.nix
+++ b/nixos/modules/system/boot/networkd.nix
@@ -94,7 +94,7 @@ let
   checkNetwork = checkUnitConfig "Network" [
     (assertOnlyFields [
       "Description" "DHCP" "DHCPServer" "IPForward" "IPMasquerade" "IPv4LL" "IPv4LLRoute"
-      "LLMNR" "Domains" "Bridge" "Bond"
+      "LLMNR" "MulticastDNS" "Domains" "Bridge" "Bond"
     ])
     (assertValueOneOf "DHCP" ["both" "none" "v4" "v6"])
     (assertValueOneOf "DHCPServer" boolValues)
@@ -103,6 +103,7 @@ let
     (assertValueOneOf "IPv4LL" boolValues)
     (assertValueOneOf "IPv4LLRoute" boolValues)
     (assertValueOneOf "LLMNR" boolValues)
+    (assertValueOneOf "MulticastDNS" boolValues)
   ];
 
   checkAddress = checkUnitConfig "Address" [