diff --git a/librb/src/helper.c b/librb/src/helper.c
index 11d47358..ddc71343 100644
--- a/librb/src/helper.c
+++ b/librb/src/helper.c
@@ -148,10 +148,8 @@ rb_helper_start(const char *name, const char *fullpath, rb_helper_cb * read_cb,
 	parv[0] = buf;
 	parv[1] = NULL;
 
-#ifdef _WIN32
-	SetHandleInformation((HANDLE) rb_get_fd(in_f[1]), HANDLE_FLAG_INHERIT, 1);
-	SetHandleInformation((HANDLE) rb_get_fd(out_f[0]), HANDLE_FLAG_INHERIT, 1);
-#endif
+	rb_clear_cloexec(in_f[1]);
+	rb_clear_cloexec(out_f[0]);
 
 	pid = rb_spawn_process(fullpath, (const char **)parv);