--- a/libgnomeprint/modules/cups/gnome-print-cups-transport.c
+++ b/libgnomeprint/modules/cups/gnome-print-cups-transport.c
@@ -31,6 +31,8 @@
 
 #include "config.h"
 
+#include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>