--- loncom/homework/caparesponse/caparesponse.pm	2020/12/05 05:01:18	1.262
+++ loncom/homework/caparesponse/caparesponse.pm	2021/10/05 02:41:32	1.263
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # caparesponse definition
 #
-# $Id: caparesponse.pm,v 1.262 2020/12/05 05:01:18 raeburn Exp $
+# $Id: caparesponse.pm,v 1.263 2021/10/05 02:41:32 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -401,7 +401,7 @@ sub setup_capa_response {
     if (ref($response)) {
 	$$args_ref{'response'}=dclone($response);
     } else {
-	$$args_ref{'response'}=dclone([$response]);
+	$$args_ref{'response'}=dclone(["$response"]);
     }
 }