diff --git a/ChangeLog b/ChangeLog
index 681846b42e..6c46f12213 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-11-22  Matthias Clasen  <mclasen@redhat.com>
+
+	* modules/printbackends/cups/gtkcupsutils.c: Fix a casting problem.
+	(#485662, patch by Herbert Valerio Riedel)
+
 2007-11-22  Matthias Clasen  <mclasen@redhat.com>
 
 	* gtk/gtktextiter.c: Fix an aliasing problem.  (#347585, Ed Catmur)
diff --git a/modules/printbackends/cups/gtkcupsutils.c b/modules/printbackends/cups/gtkcupsutils.c
index ca7986e43d..da729bf3c0 100644
--- a/modules/printbackends/cups/gtkcupsutils.c
+++ b/modules/printbackends/cups/gtkcupsutils.c
@@ -622,7 +622,7 @@ _post_send (GtkCupsRequest *request)
   if (request->data_io != NULL)
     {
       fstat (g_io_channel_unix_get_fd (request->data_io), &data_info);
-      sprintf (length, "%lu", (unsigned long) ippLength (request->ipp_request) + data_info.st_size);
+      sprintf (length, "%lu", (unsigned long) (ippLength (request->ipp_request) + data_info.st_size));
     }
   else
     sprintf (length, "%lu", (unsigned long) ippLength (request->ipp_request));