diff --git a/nixos/modules/config/networking.nix b/nixos/modules/config/networking.nix
index b49f8a156d1d..e76f15f23376 100644
--- a/nixos/modules/config/networking.nix
+++ b/nixos/modules/config/networking.nix
@@ -128,7 +128,7 @@ in
         "protocols".source  = pkgs.iana_etc + "/etc/protocols";
 
         # /etc/rpc: RPC program numbers.
-        "rpc".source = pkgs.glibc + "/etc/rpc";
+        "rpc".source = pkgs.glibc.out + "/etc/rpc";
 
         # /etc/hosts: Hostname-to-IP mappings.
         "hosts".text =