diff --git a/modules/misc/ids.nix b/modules/misc/ids.nix
index f26501105b1..92e9bb90893 100644
--- a/modules/misc/ids.nix
+++ b/modules/misc/ids.nix
@@ -74,6 +74,7 @@ in
     bind = 53;
     wwwrun = 54;
     spamd = 56;
+    nslcd = 58;
 
     # When adding a uid, make sure it doesn't match an existing gid.
 
@@ -129,6 +130,7 @@ in
     adm = 55;
     spamd = 56;
     networkmanager = 57;
+    nslcd = 58;
 
     # When adding a gid, make sure it doesn't match an existing uid.