--- a/crypto/includes/ngtcp2/ngtcp2_crypto_boringssl.h	(index)
+++ b/crypto/includes/ngtcp2/ngtcp2_crypto_boringssl.h	(working tree)
@@ -27,7 +27,7 @@
 
 #include <ngtcp2/ngtcp2.h>
 
-#include <openssl/ssl.h>
+#include <contrib/restricted/google/boringssl/include/openssl/ssl.h>
 
 #ifdef __cplusplus
 extern "C" {