diff --git a/ChangeLog b/ChangeLog
index ccc8a8883a..940fff6ced 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2007-06-14   Matthias Clasen  <mclasen@redhat.com>
+
+	Backport from trunk:
+
+	* gtk/gtkprintoperation.c (pdf_end_run): Fix a refcounting
+	problem with the EXPORT action.  (#440040, Chris Vine)
+
 2007-06-13  Michael Natterer  <mitch@imendio.com>
 
 	Merge from trunk:
diff --git a/gtk/gtkprintoperation.c b/gtk/gtkprintoperation.c
index 6f901f06eb..d9181c1e80 100644
--- a/gtk/gtkprintoperation.c
+++ b/gtk/gtkprintoperation.c
@@ -1813,6 +1813,9 @@ pdf_end_run (GtkPrintOperation *op,
 
   cairo_surface_finish (surface);
   cairo_surface_destroy (surface);
+
+  priv->platform_data = NULL;
+  priv->free_platform_data = NULL;
 }
 
 static GtkPrintOperationResult