diff --git a/issue-log.txt b/issue-log.txt
index 90ef1fdd8..de5e9a048 100644
--- a/issue-log.txt
+++ b/issue-log.txt
@@ -110,6 +110,11 @@ Hamlib IC-7100 - Erik on4pb - CAT PTT method not available on IC-7100
 
        Sent hot fix version of RC3 to on4pb for testing.
 
+       Further problem reported with poll  of PTT status failing. This
+       appears   to  be   a  hamlib   defect  with   ptt  type   being
+       RIG_PTT_SERIAL_CAT   instead   of    RIG_PTT_RIG.   Asked   for
+       clarification on hamlib-devel ML.
+
 Hamlib IC-746 - Doc kb3mow - Wrong Tx QRG used after dbl-click on decode
 
        Asked for more details of exact Rx/Tx dial QRGs.