diff --git a/modules/base.nix b/modules/base.nix
index 41550e6..36fd79e 100644
--- a/modules/base.nix
+++ b/modules/base.nix
@@ -105,6 +105,9 @@ in {
       };
     };
   };
+
+  imports = [ ./nixpkgs.nix ];
+
   config = {
     # By default, we enable cross-compilation support.
     nixpkgs.buildPlatform = lib.mkDefault builtins.currentSystem;
diff --git a/modules/nixpkgs.nix b/modules/nixpkgs.nix
index 206d506..5932108 100644
--- a/modules/nixpkgs.nix
+++ b/modules/nixpkgs.nix
@@ -330,6 +330,8 @@ in
       '';
     };
   };
+  
+  imports = [ ./misc/assertions.nix ];
 
   config = {
     _module.args = {