diff --git a/nixos/modules/security/google_oslogin.nix b/nixos/modules/security/google_oslogin.nix
index 78c2089baeb..c2889a0f0d1 100644
--- a/nixos/modules/security/google_oslogin.nix
+++ b/nixos/modules/security/google_oslogin.nix
@@ -50,6 +50,7 @@ in
     # enable the nss module, so user lookups etc. work
     system.nssModules = [ package ];
     system.nssDatabases.passwd = [ "cache_oslogin" "oslogin" ];
+    system.nssDatabases.group = [ "cache_oslogin" "oslogin" ];
 
     # Ugly: sshd refuses to start if a store path is given because /nix/store is group-writable.
     # So indirect by a symlink.