diff --git a/imap/http_dav.c b/imap/http_dav.c
index fa89a35ec9..b7d723b33d 100644
--- a/imap/http_dav.c
+++ b/imap/http_dav.c
@@ -3379,8 +3379,7 @@ static int proppatch_todb_internal(xmlNodePtr prop, unsigned set,
     if (!r) r = mask ?
         annotate_state_writemask(astate, buf_cstring(&pctx->buf),
                 httpd_userid, &value) :
-        annotate_state_write(astate, buf_cstring(&pctx->buf),
-                httpd_userid, &value);
+        annotate_state_write(astate, buf_cstring(&pctx->buf), "", &value);
 
     if (!r) {
         xml_add_prop(HTTP_OK, pctx->ns[NS_DAV], &propstat[PROPSTAT_OK],