diff --git a/gramps/gui/plug/export/_exportassistant.py b/gramps/gui/plug/export/_exportassistant.py
index 0e9b43029..85ac54c24 100644
--- a/gramps/gui/plug/export/_exportassistant.py
+++ b/gramps/gui/plug/export/_exportassistant.py
@@ -168,6 +168,7 @@ class ExportAssistant(Gtk.Assistant, ManagedWindow) :
         image.set_from_file(SPLASH)
 
         box = Gtk.VBox()
+        box.set_size_request(600, -1) # wide enough it won't have to expand
         box.pack_start(image, False, False, 5)
         box.pack_start(label, False, False, 5)