diff --git a/src/main/java/net/schmizz/concurrent/Promise.java b/src/main/java/net/schmizz/concurrent/Promise.java
index 5b8372ca..bae1741b 100644
--- a/src/main/java/net/schmizz/concurrent/Promise.java
+++ b/src/main/java/net/schmizz/concurrent/Promise.java
@@ -104,7 +104,8 @@ public void clear() {
         lock.lock();
         try {
             pendingEx = null;
-            deliver(null);
+            log.debug("Clearing <<{}>>", name);
+            val = null;
         } finally {
             lock.unlock();
         }
diff --git a/src/main/java/net/schmizz/sshj/transport/TransportImpl.java b/src/main/java/net/schmizz/sshj/transport/TransportImpl.java
index 1cd6cb2b..e5738da9 100644
--- a/src/main/java/net/schmizz/sshj/transport/TransportImpl.java
+++ b/src/main/java/net/schmizz/sshj/transport/TransportImpl.java
@@ -420,9 +420,9 @@ public long write(SSHPacket payload)
         try {
 
             if (kexer.isKexOngoing()) {
-                // Only transport layer packets (1 to 49) allowed except SERVICE_REQUEST
+                // Only transport layer packets (1 to 49) allowed except SERVICE_REQUEST and IGNORE
                 final Message m = Message.fromByte(payload.array()[payload.rpos()]);
-                if (!m.in(1, 49) || m == Message.SERVICE_REQUEST) {
+                if (!m.in(1, 49) || m == Message.SERVICE_REQUEST || m == Message.IGNORE) {
                     assert m != Message.KEXINIT;
                     kexer.waitForDone();
                 }