diff --git a/nixos/modules/system/boot/networkd.nix b/nixos/modules/system/boot/networkd.nix
index 73e5f8b53936..58d914d08106 100644
--- a/nixos/modules/system/boot/networkd.nix
+++ b/nixos/modules/system/boot/networkd.nix
@@ -276,7 +276,7 @@ let
     (assertValueOneOf "ARP" boolValues)
     (assertValueOneOf "Multicast" boolValues)
     (assertValueOneOf "Unmanaged" boolValues)
-    (assertValueOneOf "RequiredForOnline" boolValues)
+    (assertValueOneOf "RequiredForOnline" (boolValues ++ ["off" "no-carrier" "dormant" "degraded-carrier" "carrier" "degraded" "enslaved" "routable"]))
   ];