diff --git a/nixos/modules/services/networking/dhcpcd.nix b/nixos/modules/services/networking/dhcpcd.nix
index 20ed8da1123c..d2705d4fa2d9 100644
--- a/nixos/modules/services/networking/dhcpcd.nix
+++ b/nixos/modules/services/networking/dhcpcd.nix
@@ -38,6 +38,7 @@ let
       ) (lib.attrValues config.networking.vswitches)
     )
     ++ lib.concatLists (lib.attrValues (lib.mapAttrs (n: v: v.interfaces) config.networking.bonds))
+    ++ lib.attrNames config.networking.wireguard.interfaces
     ++ config.networking.dhcpcd.denyInterfaces;
 
   arrayAppendOrNull =