diff --git a/src/config.c b/src/config.c
index aeb2c95..787f45c 100644
--- a/src/config.c
+++ b/src/config.c
@@ -41,7 +41,7 @@ LSEC_API int luaopen_ssl_config(lua_State *L)
   lua_pushstring(L, "tlsv1_2");
   lua_pushboolean(L, 1);
   lua_rawset(L, -3);
-#if defined(TLS1_3_VERSION)
+#ifdef TLS1_3_VERSION
   lua_pushstring(L, "tlsv1_3");
   lua_pushboolean(L, 1);
   lua_rawset(L, -3);
@@ -74,7 +74,7 @@ LSEC_API int luaopen_ssl_config(lua_State *L)
   lua_pushboolean(L, 1);
   lua_rawset(L, -3);
 
-#if defined(LSEC_ENABLE_DANE)
+#ifdef LSEC_ENABLE_DANE
   // DANE
   lua_pushstring(L, "dane");
   lua_pushboolean(L, 1);