diff --git a/app/routines/update_salesforce_assignable_fields.rb b/app/routines/update_salesforce_assignable_fields.rb
index 0f5db78e0..3261560fe 100644
--- a/app/routines/update_salesforce_assignable_fields.rb
+++ b/app/routines/update_salesforce_assignable_fields.rb
@@ -20,7 +20,7 @@ def call(created_after)
       next if contact.nil?
 
       contact.assignable_interest = 'Fully Integrated'
-      contact.assignable_adoption_date = external_id.min_created_at
+      contact.assignable_adoption_date = external_id.min_created_at.strftime('%Y-%m-%d')
       contact.save!
     end
   end