diff --git a/app/models/page_groupers/mothership.rb b/app/models/page_groupers/mothership.rb
index e020b57e..37e96f2d 100644
--- a/app/models/page_groupers/mothership.rb
+++ b/app/models/page_groupers/mothership.rb
@@ -19,6 +19,6 @@ class Mothership < ApplicationRecord
     this_object  = Character.find_by(id: self.character_id)
     other_object = Character.find_by(id: self.mother_id)
 
-    other_object.children.delete(this_object) if other_object.present?
+    other_object.children.delete(this_object) if other_object.present? && this_object.present?
   end
 end