diff --git a/src/event/quic/ngx_event_quic.h b/src/event/quic/ngx_event_quic.h
index d95d3d85b..335d87191 100644
--- a/src/event/quic/ngx_event_quic.h
+++ b/src/event/quic/ngx_event_quic.h
@@ -13,7 +13,10 @@
 
 
 #ifdef OSSL_RECORD_PROTECTION_LEVEL_NONE
-#define NGX_QUIC_OPENSSL_API                 1
+#ifndef NGX_QUIC_OPENSSL_API
+#define NGX_QUIC_BORINGSSL_API               1
+#define NGX_QUIC_OPENSSL_COMPAT              1
+#endif
 
 #elif (defined SSL_R_MISSING_QUIC_TRANSPORT_PARAMETERS_EXTENSION)
 #define NGX_QUIC_QUICTLS_API                 1