--- a/src/Listener.c++
+++ b/src/Listener.c++
@@ -44,7 +44,7 @@
 #include "Cred.h"
 #include "BTree.h"
 
-#if !(HAVE_BINDRESVPORT_PROTO)
+#if !(HAVE_BINDRESVPORT)
 extern "C" int bindresvport(int sd, struct sockaddr_in *);
 #endif