diff --git a/tests/default.nix b/tests/default.nix
index 68098088..81ad2ef2 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -8,14 +8,17 @@
   system ? pkgs.stdenv.hostPlatform.system,
 }:
 let
+  nixvimLib = helpers.extendedLib;
+
   autoArgs = pkgs // {
     inherit
       helpers
-      lib
       pkgsUnfree
       self
       system
       ;
+    nixpkgsLib = lib;
+    lib = nixvimLib;
     inherit (self.legacyPackages.${system})
       makeNixvimWithModule
       nixvimConfiguration
diff --git a/tests/maintainers.nix b/tests/maintainers.nix
index f99e73e3..e4dc3030 100644
--- a/tests/maintainers.nix
+++ b/tests/maintainers.nix
@@ -1,11 +1,12 @@
 {
   lib,
+  nixpkgsLib,
   runCommandNoCCLocal,
 }:
 let
   inherit (lib) attrNames filter length;
   nixvimList = import ../lib/maintainers.nix;
-  nixpkgsList = lib.maintainers;
+  nixpkgsList = nixpkgsLib.maintainers;
   duplicates = filter (name: nixpkgsList ? ${name}) (attrNames nixvimList);
   count = length duplicates;
 in