diff --git a/dynamic.list b/dynamic.list
index 686f8eb4..ee0d363b 100644
--- a/dynamic.list
+++ b/dynamic.list
@@ -28,6 +28,7 @@ __signgam;
 optarg;
 optind;
 opterr;
+optopt;
 optreset;
 __optreset;