diff -up system-config-printer-1.1.16/system-config-printer.py.auto_make system-config-printer-1.1.16/system-config-printer.py

--- system-config-printer-1.1.16/system-config-printer.py.auto_make	2010-02-07 10:41:54.920037762 +0000

+++ system-config-printer-1.1.16/system-config-printer.py	2010-02-07 10:42:18.683912304 +0000

@@ -6375,10 +6375,14 @@ class NewPrinterGUI(GtkGUI):

         model = self.tvNPMakes.get_model()

         model.clear()

         found = False

-        auto_make_lower = self.auto_make.lower ()

+        if self.auto_make:

+            auto_make_lower = self.auto_make.lower ()

+        else:

+            auto_make_lower = None

+

         for make in makes:

             iter = model.append((make,))

-            if make.lower() == auto_make_lower:

+            if auto_make_lower != None and make.lower() == auto_make_lower:

                 path = model.get_path(iter)

                 self.tvNPMakes.set_cursor (path)

                 self.tvNPMakes.scroll_to_cell(path, None,