diff --git a/packages/zephyr/sdk.nix b/packages/zephyr/sdk.nix
index e18322b..24c6632 100644
--- a/packages/zephyr/sdk.nix
+++ b/packages/zephyr/sdk.nix
@@ -1,4 +1,4 @@
-{ lib, symlinkJoin, fetchurl, zephyr, source, version, hosts, toolchains ? [ ]
+{ lib, symlinkJoin, fetchurl, zephyrPackages, source, version, hosts, toolchains ? [ ]
 }:
 let src = fetchurl source;
 in symlinkJoin rec {
@@ -6,7 +6,7 @@ in symlinkJoin rec {
   inherit version;
   name = "${pname}-${version}";
 
-  paths = [ zephyr.host-tools ] ++ toolchains;
+  paths = [ zephyrPackages.host-tools ] ++ toolchains;
   postBuild = ''
     tar -C "$out" -xf "${src}" --exclude setup.sh --exclude sdk_toolchains --strip-components=1
   '';