diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 2b976e789562d9575cd4b4b14870d4e924e514d5..61432049869bca1ec1e4608b93b882154a361b83 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -95,7 +95,7 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
 		break;
 
 	case RXRPC_ACK_IDLE:
-		if (rxrpc_soft_ack_delay < expiry)
+		if (rxrpc_idle_ack_delay < expiry)
 			expiry = rxrpc_idle_ack_delay;
 		break;