diff --git a/include/haproxy/xprt_quic-t.h b/include/haproxy/xprt_quic-t.h
index 4174924..5b37d77 100644
--- a/include/haproxy/xprt_quic-t.h
+++ b/include/haproxy/xprt_quic-t.h
@@ -391,6 +391,10 @@
 #define QUIC_FL_PKTNS_ACK_RECEIVED_BIT 0
 #define QUIC_FL_PKTNS_ACK_RECEIVED  (1UL << QUIC_FL_PKTNS_ACK_RECEIVED_BIT)
 
+/* Flag the packet number space as requiring an ACK frame to be sent. */
+#define QUIC_FL_PKTNS_ACK_REQUIRED_BIT 1
+#define QUIC_FL_PKTNS_ACK_REQUIRED  (1UL << QUIC_FL_PKTNS_ACK_REQUIRED_BIT)
+
 /* The maximum number of dgrams which may be sent upon PTO expirations. */
 #define QUIC_MAX_NB_PTO_DGRAMS         2
 
@@ -643,10 +647,6 @@
 #define QUIC_CONN_TX_BUFS_NB 8
 #define QUIC_CONN_TX_BUF_SZ  QUIC_PACKET_MAXLEN
 
-/* Flag the packet number space as requiring an ACK frame to be sent. */
-#define QUIC_FL_PKTNS_ACK_REQUIRED_BIT 0
-#define QUIC_FL_PKTNS_ACK_REQUIRED  (1UL << QUIC_FL_PKTNS_ACK_REQUIRED_BIT)
-
 /* Flags at connection level */
 #define QUIC_FL_CONN_ANTI_AMPLIFICATION_REACHED_BIT 0
 #define QUIC_FL_CONN_ANTI_AMPLIFICATION_REACHED \