diff --git a/channels/h323/ast_h323.cxx b/channels/h323/ast_h323.cxx
index e707c2c3b5..401be42c9f 100644
--- a/channels/h323/ast_h323.cxx
+++ b/channels/h323/ast_h323.cxx
@@ -28,6 +28,8 @@
  *
  * Version Info: $Id$
  */
+#include "asterisk.h"
+
 #include <arpa/inet.h>
 
 #include <list>