diff --git a/lass/2configs/libvirt.nix b/lass/2configs/libvirt.nix
index 7520a0e36..a51ccae58 100644
--- a/lass/2configs/libvirt.nix
+++ b/lass/2configs/libvirt.nix
@@ -2,13 +2,14 @@
 
 let
   mainUser = config.users.extraUsers.mainUser;
+  inherit (config.krebs.lib) genid;
 
 in {
   virtualisation.libvirtd.enable = true;
 
   users.extraUsers = {
     libvirt = {
-      uid = lib.genid "libvirt";
+      uid = genid "libvirt";
       description = "user for running libvirt stuff";
       home = "/home/libvirt";
       useDefaultShell = true;
diff --git a/lass/2configs/skype.nix b/lass/2configs/skype.nix
index d62a18a52..5b6da4a95 100644
--- a/lass/2configs/skype.nix
+++ b/lass/2configs/skype.nix
@@ -2,12 +2,13 @@
 
 let
   mainUser = config.users.extraUsers.mainUser;
+  inherit (config.krebs.lib) genid;
 
 in {
   users.extraUsers = {
     skype = {
       name = "skype";
-      uid = lib.genid "skype";
+      uid = genid "skype";
       description = "user for running skype";
       home = "/home/skype";
       useDefaultShell = true;