diff --git a/ssh2transport.c b/ssh2transport.c
index 204c2440..bcb1fee6 100644
--- a/ssh2transport.c
+++ b/ssh2transport.c
@@ -347,7 +347,7 @@ bool ssh2_common_filter_queue(PacketProtocolLayer *ppl)
                 ((reason > 0 && reason < lenof(ssh2_disconnect_reasons)) ?
                  ssh2_disconnect_reasons[reason] : "unknown"),
                 PTRLEN_PRINTF(msg));
-            pq_pop(ppl->in_pq);
+            /* don't try to pop the queue, because we've been freed! */
             return true;               /* indicate that we've been freed */
 
           case SSH2_MSG_DEBUG: