CR

Author: Hugo Heuzard

src/ocamlbuild_executor.ml

@@ -141,7 +141,7 @@ let execute
       if Sys.win32
       then
         let args = My_std.prepare_command_for_windows cmd in
-        open_process_args_full args.(0) args (Unix.environment ())
+        open_process_args_full args.(0) args env
       else open_process_full cmd env in
     incr jobs_active;
     if not Sys.win32 then begin