diff --git a/nixos/modules/system/boot/networkd.nix b/nixos/modules/system/boot/networkd.nix
index 4bacf0f126a4..8e748dd27d7d 100644
--- a/nixos/modules/system/boot/networkd.nix
+++ b/nixos/modules/system/boot/networkd.nix
@@ -249,11 +249,12 @@ let
   # .network files have a [Link] section with different options than in .netlink files
   checkNetworkLink = checkUnitConfig "Link" [
     (assertOnlyFields [
-      "MACAddress" "MTUBytes" "ARP" "Unmanaged" "RequiredForOnline"
+      "MACAddress" "MTUBytes" "ARP" "Multicast" "Unmanaged" "RequiredForOnline"
     ])
     (assertMacAddress "MACAddress")
     (assertByteFormat "MTUBytes")
     (assertValueOneOf "ARP" boolValues)
+    (assertValueOneOf "Multicast" boolValues)
     (assertValueOneOf "Unmanaged" boolValues)
     (assertValueOneOf "RquiredForOnline" boolValues)
   ];