diff --git a/include/haproxy/mux_quic-t.h b/include/haproxy/mux_quic-t.h
index 168f07444..a2004a49c 100644
--- a/include/haproxy/mux_quic-t.h
+++ b/include/haproxy/mux_quic-t.h
@@ -100,7 +100,7 @@ struct qcc {
 };
 
 #define QC_SF_NONE              0x00000000
-#define QC_SF_FIN_RECV          0x00000001  /* last frame received for this stream */
+#define QC_SF_SIZE_KNOWN        0x00000001  /* last frame received for this stream */
 #define QC_SF_FIN_STREAM        0x00000002  /* FIN bit must be set for last frame of the stream */
 #define QC_SF_BLK_MROOM         0x00000004  /* app layer is blocked waiting for room in the qcs.tx.buf */
 #define QC_SF_DETACH            0x00000008  /* sc is detached but there is remaining data to send */
diff --git a/src/mux_quic.c b/src/mux_quic.c
index 24c7373ba..ccdcf54c6 100644
--- a/src/mux_quic.c
+++ b/src/mux_quic.c
@@ -541,7 +541,7 @@ static int qcc_decode_qcs(struct qcc *qcc, struct qcs *qcs)
 	/* Signal FIN to application if STREAM FIN received and there is no gap
 	 * in the Rx buffer.
 	 */
-	if (qcs->flags & QC_SF_FIN_RECV && !ncb_is_fragmented(&qcs->rx.ncbuf))
+	if (qcs->flags & QC_SF_SIZE_KNOWN && !ncb_is_fragmented(&qcs->rx.ncbuf))
 		fin = 1;
 
 	ret = qcc->app_ops->decode_qcs(qcs, &b, fin);
@@ -672,7 +672,7 @@ int qcc_recv(struct qcc *qcc, uint64_t id, uint64_t len, uint64_t offset,
 	}
 
 	if (fin)
-		qcs->flags |= QC_SF_FIN_RECV;
+		qcs->flags |= QC_SF_SIZE_KNOWN;
 
 	if (ncb_data(&qcs->rx.ncbuf, 0) && !(qcs->flags & QC_SF_DEM_FULL))
 		qcc_decode_qcs(qcc, qcs);