diff --git a/pokemongo_bot/__init__.py b/pokemongo_bot/__init__.py
index fa23738745..dc6d2f62ed 100644
--- a/pokemongo_bot/__init__.py
+++ b/pokemongo_bot/__init__.py
@@ -510,7 +510,7 @@ def _register_events(self):
         )
         self.event_manager.register_event(
             'pokemon_evolved',
-            parameters=('pokemon', 'iv', 'old_cp', 'cp', 'candy', 'xp')
+            parameters=('pokemon', 'new', 'iv', 'old_cp', 'cp', 'candy', 'xp')
         )
         self.event_manager.register_event(
             'pokemon_favored',