diff --git a/apps/mstpcap/main.c b/apps/mstpcap/main.c
index fc9e22e8..8eba2e58 100644
--- a/apps/mstpcap/main.c
+++ b/apps/mstpcap/main.c
@@ -1158,7 +1158,11 @@ int main(int argc, char *argv[])
             packet_count++;
         } else if (mstp_port->receive_state == MSTP_RECEIVE_STATE_IDLE) {
             if (MSTP_Receive_State == MSTP_RECEIVE_STATE_IDLE) {
-                if (mstp_port->EventCount) {
+                if ((mstp_port->EventCount == 1) &&
+                    (mstp_port->DataRegister == 0xFF)) {
+                    /* 0xFF padding at end of message is allowed */
+                    mstp_structure_init(mstp_port);
+                } else if (mstp_port->EventCount > 1) {
                     write_received_packet(mstp_port, 1);
                     mstp_structure_init(mstp_port);
                     Invalid_Frame_Count++;