diff --git a/autofilename.py b/autofilename.py
index 6825759..c348db8 100644
--- a/autofilename.py
+++ b/autofilename.py
@@ -75,8 +75,8 @@ class FileNameComplete(sublime_plugin.EventListener):
         return False
 
     def on_selection_modified(self,view):
-        if view.get_window() == None:
-            return;
+        if not view.window():
+            return
         sel = view.sel()[0]
         if sel.empty() and self.at_path_end(view):
             if view.substr(sel.a-1) == '/' or len(view.extract_scope(sel.a)) < 3: