diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index 3784602..bd6c384 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -1,7 +1,7 @@
 /*
  *  SSL server demonstration program
  *
- *  Copyright (C) 2006-2011, Brainspark B.V.
+ *  Copyright (C) 2006-2013, Brainspark B.V.
  *
  *  This file is part of PolarSSL (http://www.polarssl.org)
  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@@ -56,7 +56,7 @@
 
 #define DEBUG_LEVEL 0
 
-void my_debug( void *ctx, int level, const char *str )
+static void my_debug( void *ctx, int level, const char *str )
 {
     if( level < DEBUG_LEVEL )
     {