diff --git a/db/migrate/20230320185619_multi_message_completion_prompts.rb b/db/migrate/20230320185619_multi_message_completion_prompts.rb
index 2cf46c7e..64f1bac4 100644
--- a/db/migrate/20230320185619_multi_message_completion_prompts.rb
+++ b/db/migrate/20230320185619_multi_message_completion_prompts.rb
@@ -2,6 +2,6 @@
 
 class MultiMessageCompletionPrompts < ActiveRecord::Migration[7.0]
   def change
-    add_column :completion_prompts, :messages, :jsonb, null: false
+    add_column :completion_prompts, :messages, :jsonb
   end
 end