diff --git a/src/n2n_port_mapping.c b/src/n2n_port_mapping.c
index f72ade4..9c3a07a 100644
--- a/src/n2n_port_mapping.c
+++ b/src/n2n_port_mapping.c
@@ -54,10 +54,9 @@
  */
 
 
-#ifdef HAVE_PORT_FORWARDING
-
 #include "n2n.h"
 
+#ifdef HAVE_PORT_FORWARDING
 
 #ifdef HAVE_MINIUPNP