diff --git a/server/main.c b/server/main.c
index 28d1872..544882d 100644
--- a/server/main.c
+++ b/server/main.c
@@ -478,6 +478,12 @@ int main(int argc, const char * const argv[])
ap_server_post_read_config = apr_array_make(pcommands, 1, sizeof(char *));
ap_server_config_defines = apr_array_make(pcommands, 1, sizeof(char *));
+ {
+ char **new = (char **)apr_array_push(ap_server_config_defines);
+
+ *new = "_RH_HAS_HTTPPROTOCOLOPTIONS";
+ }
+
error = ap_setup_prelinked_modules(process);
if (error) {
ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, 0, NULL, APLOGNO(00012)