diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index aa1c8eee6557a19c4ee9a06c0716f1882aef2b6d..6be2672a65eabebd5b8fc28d82ed9b3c58542005 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -253,7 +253,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
 		 * confuse things
 		 */
 		annotation &= ~RXRPC_TX_ANNO_MASK;
-		annotation |= RXRPC_TX_ANNO_RESENT;
+		annotation |= RXRPC_TX_ANNO_UNACK | RXRPC_TX_ANNO_RESENT;
 		call->rxtx_annotations[ix] = annotation;
 
 		skb = call->rxtx_buffer[ix];