diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
index 732b82f540c5..1a490d976e7e 100644
--- a/net/rxrpc/ar-ack.c
+++ b/net/rxrpc/ar-ack.c
@@ -41,7 +41,7 @@ unsigned rxrpc_soft_ack_delay = 1 * HZ;
  * further packets aren't immediately received to decide when to send an IDLE
  * ACK let the other end know that it can free up its Tx buffer space.
  */
-unsigned rxrpc_idle_ack_delay = 1;
+unsigned rxrpc_idle_ack_delay = 0.5 * HZ;
 
 static const char *rxrpc_acks(u8 reason)
 {
diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c
index 540c03d338c9..e449c675c36a 100644
--- a/net/rxrpc/ar-input.c
+++ b/net/rxrpc/ar-input.c
@@ -347,8 +347,7 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb)
 	 * it */
 	if (sp->hdr.flags & RXRPC_REQUEST_ACK) {
 		_proto("ACK Requested on %%%u", serial);
-		rxrpc_propose_ACK(call, RXRPC_ACK_REQUESTED, sp->hdr.serial,
-				  !(sp->hdr.flags & RXRPC_MORE_PACKETS));
+		rxrpc_propose_ACK(call, RXRPC_ACK_REQUESTED, sp->hdr.serial, false);
 	}
 
 	switch (sp->hdr.type) {
diff --git a/net/rxrpc/ar-skbuff.c b/net/rxrpc/ar-skbuff.c
index af9f4fd2a365..4cfab49e329d 100644
--- a/net/rxrpc/ar-skbuff.c
+++ b/net/rxrpc/ar-skbuff.c
@@ -90,7 +90,7 @@ static void rxrpc_hard_ACK_data(struct rxrpc_call *call,
 		 */
 		_debug("send Rx idle ACK");
 		__rxrpc_propose_ACK(call, RXRPC_ACK_IDLE, sp->hdr.serial,
-				    true);
+				    false);
 	}
 
 	spin_unlock_bh(&call->lock);