diff --git a/app/models/bubble/assignable.rb b/app/models/bubble/assignable.rb
index db0b405eb..d83c027ff 100644
--- a/app/models/bubble/assignable.rb
+++ b/app/models/bubble/assignable.rb
@@ -12,9 +12,11 @@ module Bubble::Assignable
   end
 
   def assign(users, assigner: Current.user)
+    assignee_rows = Array(users).collect { |user| { assignee_id: user.id, assigner_id: assigner.id, bubble_id: id } }
+
     transaction do
-      Assignment.insert_all Array(users).collect { |user| { assignee_id: user.id, assigner_id: assigner.id, bubble_id: id } }
-      track_event :assigned, assignee_ids: Array(users).map(&:id)
+      Assignment.insert_all assignee_rows
+      track_event :assigned, assignee_ids: assignee_rows.pluck(:assignee_id)
     end
   end
 end