diff --git a/nixos/modules/system/activation/activation-script.nix b/nixos/modules/system/activation/activation-script.nix
index 0ed7c0f53eb9..74c150a848d1 100644
--- a/nixos/modules/system/activation/activation-script.nix
+++ b/nixos/modules/system/activation/activation-script.nix
@@ -22,6 +22,7 @@ let
       gnugrep
       findutils
       getent
+      stdenv.cc.libc # nscd in update-users-groups.pl
       shadow
       nettools # needed for hostname
       utillinux # needed for mount and mountpoint