Fix the return code of os.execute() on Windows.

1 files changed, 4 insertions, 1 deletions

diff --git a/compat53/module.lua b/compat53/module.lua
index c4fc515..dad940b 100644
--- a/compat53/module.lua
+++ b/compat53/module.lua
@@ -601,7 +601,10 @@ if lua_version < "5.3" then
             if code == 0 then
                return true, "exit", code
             else
-               return nil, "exit", code/256 -- only correct on Linux!
+               if package.config:sub(1, 1) == '/' then
+                  code = code/256 -- only correct on Linux!
+               end
+               return nil, "exit", code
             end
          end
       end