diff --git a/nixos/tests/tomcat.nix b/nixos/tests/tomcat.nix
index ff58ca8ac618..df5cb033b78f 100644
--- a/nixos/tests/tomcat.nix
+++ b/nixos/tests/tomcat.nix
@@ -1,4 +1,4 @@
-import ./make-test-python.nix ({ pkgs, ... }: {
+import ./make-test-python.nix ({ lib, pkgs, ... }: {
   name = "tomcat";
   meta.maintainers = [ lib.maintainers.anthonyroussel ];