diff --git a/src/apps/relay/mainrelay.c b/src/apps/relay/mainrelay.c
index 2118b60..89bdcb5 100644
--- a/src/apps/relay/mainrelay.c
+++ b/src/apps/relay/mainrelay.c
@@ -39,6 +39,8 @@
 #if (defined LIBRESSL_VERSION_NUMBER && OPENSSL_VERSION_NUMBER == 0x20000000L)
 #undef OPENSSL_VERSION_NUMBER
 #define OPENSSL_VERSION_NUMBER 0x1000107FL
+#elif (!defined OPENSSL_VERSION_1_1_1)
+#define OPENSSL_VERSION_1_1_1 0x10101000L
 #endif
 
 ////// TEMPORARY data //////////