diff --git a/src/mux_h2.c b/src/mux_h2.c
index c91905f92..001d1dad8 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -3826,7 +3826,7 @@ static const struct mux_ops h2_ops = {
 
 /* PROTO selection : this mux registers PROTO token "h2" */
 static struct mux_proto_list mux_proto_h2 =
-	{ .token = IST("h2"), .mode = PROTO_MODE_HTTP, .side = PROTO_SIDE_FE, .mux = &h2_ops };
+	{ .token = IST("h2"), .mode = PROTO_MODE_HTTP | PROTO_MODE_HTX, .side = PROTO_SIDE_FE, .mux = &h2_ops };
 
 INITCALL1(STG_REGISTER, register_mux_proto, &mux_proto_h2);