Quick change to ensure geocoding call when latitude is absent

app/models/event.rb

@@ -28,7 +28,7 @@ class Event < ApplicationRecord
 
   geocoded_by :full_address
   after_validation :geocode, if: (lambda do |obj|
-    obj.address_changed? || obj.city_changed?
+    obj.address_changed? || obj.city_changed? || latitude.nil?
   end)
 
   # Mechanism to store some reason which can be used when sending notifications