diff --git a/pkgs/os-specific/windows/pthread-w32/default.nix b/pkgs/os-specific/windows/pthread-w32/default.nix
index f0b6852d5bf..ef42dadc297 100644
--- a/pkgs/os-specific/windows/pthread-w32/default.nix
+++ b/pkgs/os-specific/windows/pthread-w32/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, mingw_headers }:
+{ fetchurl, stdenv, mingw_header, hostPlatform, buildPlatform }:
 
 # This file is tweaked for cross-compilation only.
 assert hostPlatform != buildPlatform;