diff --git a/SublimeBlockCursor.py b/SublimeBlockCursor.py
index 8f52de6..d31dbe0 100644
--- a/SublimeBlockCursor.py
+++ b/SublimeBlockCursor.py
@@ -3,7 +3,7 @@
 
 
 class SublimeBlockCursor(sublime_plugin.EventListener):
-    def view_is_widget(view):
+    def view_is_widget(self,view):
         settings = view.settings()
         return bool(settings.get('is_widget'))
 
@@ -22,7 +22,7 @@ def on_selection_modified(self, view):
         is_vintage_mode = "Vintage" not in view.settings().get('ignored_packages', [])
         command_mode = view.settings().get('command_mode')
 
-        if view_is_widget(view) or (is_vintage_mode and not command_mode):
+        if self.view_is_widget(view) or (is_vintage_mode and not command_mode):
             view.erase_regions('SublimeBlockCursorListener')
             return