1 files changed, 7 insertions, 3 deletions
diff --git a/ptgui.py b/ptgui.py
index 3c5aaa9..d5356d7 100644
--- a/ptgui.py
+++ b/ptgui.py
@@ -75,9 +75,13 @@ class MainWindow(object):
             print str(dev)
             self.devlist.append([str(dev), dev])
 
-        if len(self.devlist) > 0:
-            itr = self.devlist.get_iter((0, ))
-            self.devbox.set_active_iter(itr)
+        if len(self.devlist) == 0:
+            for dummy_width in [9,12,24]:
+                dummy_printer = pttarget.PTPrinter(dummy_width)
+                self.devlist.append([str(dummy_printer), dummy_printer])
+
+        itr = self.devlist.get_iter((0, ))
+        self.devbox.set_active_iter(itr)
 
     def dev_select(self):
         itr = self.devbox.get_active_iter()