diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 25efa29a57..383ba33298 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -2396,7 +2396,9 @@ void SSL_set_info_callback(SSL *ssl,
 	ssl->info_callback=cb;
 	}
 
-void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl,int type,int val)
+/* One compiler (Diab DCC) doesn't like argument names in returned
+   function pointer.  */
+void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
 	{
 	return ssl->info_callback;
 	}