diff --git a/src/http/modules/ngx_http_quic_module.h b/src/http/modules/ngx_http_quic_module.h
index bc75dd501..21d4a40a1 100644
--- a/src/http/modules/ngx_http_quic_module.h
+++ b/src/http/modules/ngx_http_quic_module.h
@@ -14,7 +14,7 @@
 #include <ngx_http.h>
 
 
-#define NGX_HTTP_QUIC_ALPN_ADVERTISE  "\x02hq"
+#define NGX_HTTP_QUIC_ALPN_ADVERTISE  "\x0Ahq-interop"
 #define NGX_HTTP_QUIC_ALPN_DRAFT_FMT  "\x05hq-%02uD"