diff --git a/src/default.nix b/src/default.nix
index 1fde9d3..4a3fe94 100644
--- a/src/default.nix
+++ b/src/default.nix
@@ -26,9 +26,9 @@ let
   .overrideScope' overlay;
 in {
   # one entry for each supported platform
-  kevin = ownerboot (import ./platform/kevin);
-  am1i  = ownerboot (import ./platform/am1i);
-  kgpe  = ownerboot (import ./platform/kgpe);
+  kevin = ownerboot (import ./platform/kevin { inherit lib; });
+  am1i  = ownerboot (import ./platform/am1i { inherit lib; });
+  kgpe  = ownerboot (import ./platform/kgpe { inherit lib; });
 
   em100 = nixpkgsOnBuildForBuild.callPackage ./util/em100 { };
   flashrom = nixpkgsOnBuildForBuild.callPackage ./flashrom { };
diff --git a/src/platform/am1i/default.nix b/src/platform/am1i/default.nix
index d6d7b31..9c02e9a 100644
--- a/src/platform/am1i/default.nix
+++ b/src/platform/am1i/default.nix
@@ -1,5 +1,7 @@
+{ lib ? import <nixpkgs/lib>
+}:
 {
-  hostPlatform = (import <nixpkgs/lib>).systems.examples.gnu64;
+  hostPlatform = lib.systems.examples.gnu64;
 
   overlay = (final: prev: {
 
diff --git a/src/platform/kevin/default.nix b/src/platform/kevin/default.nix
index 3450fdb..2ca4dc5 100644
--- a/src/platform/kevin/default.nix
+++ b/src/platform/kevin/default.nix
@@ -1,3 +1,5 @@
+{ lib ? import <nixpkgs/lib>
+}:
 let
   # order matters!  this is also the order in which the modules are insmoded
   modules_insmod = [
@@ -31,7 +33,7 @@ let
     "drivers/net/wireless/marvell/mwifiex/mwifiex.ko"
   ];
 in {
-  hostPlatform = (import <nixpkgs/lib>).systems.examples.aarch64-multiplatform;
+  hostPlatform = lib.systems.examples.aarch64-multiplatform;
 
   overlay = (final: prev: {
     nixpkgsOnBuildForHost = prev.nixpkgsOnBuildForBuild.pkgsCross.aarch64-multiplatform;
diff --git a/src/platform/kgpe/default.nix b/src/platform/kgpe/default.nix
index e7768cc..699f637 100644
--- a/src/platform/kgpe/default.nix
+++ b/src/platform/kgpe/default.nix
@@ -1,8 +1,10 @@
+{ lib ? import <nixpkgs/lib>
+}:
 let
   update_microcode = true;
 in
 {
-  hostPlatform = (import <nixpkgs/lib>).systems.examples.gnu64;
+  hostPlatform = lib.systems.examples.gnu64;
 
   overlay = (final: prev: {