diff --git a/build.py b/build.py
index b40af0f5..1db69575 100755
--- a/build.py
+++ b/build.py
@@ -143,7 +143,7 @@ class Target(BaseTarget):
         args += options and options.to_list() or []
 
         work_path = builder.build_path + self.src_root
-        subprocess.check_call(args, cwd=work_path)
+        subprocess.check_call(args, cwd=work_path, env=self.environment)
 
         self.update_pc_files()