diff --git a/db/migrate/20240216103644_add_on_cascade_delete_on_comments.rb b/db/migrate/20240216103644_add_on_cascade_delete_on_comments.rb
index 484f2585..bb3d69ab 100644
--- a/db/migrate/20240216103644_add_on_cascade_delete_on_comments.rb
+++ b/db/migrate/20240216103644_add_on_cascade_delete_on_comments.rb
@@ -1,6 +1,6 @@
 class AddOnCascadeDeleteOnComments < ActiveRecord::Migration[7.0]
   def change
     remove_foreign_key :comments, :users
-    add_foreign_key :comments, :users, on_delete: :cascade
+    add_foreign_key :comments, :users, on_delete: :nullify
   end
 end
diff --git a/db/schema.rb b/db/schema.rb
index ecdd9cdc..fb75efdf 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -218,7 +218,7 @@
   add_foreign_key "answers", "pias"
   add_foreign_key "attachments", "pias"
   add_foreign_key "comments", "pias"
-  add_foreign_key "comments", "users", on_delete: :cascade
+  add_foreign_key "comments", "users", on_delete: :nullify
   add_foreign_key "evaluations", "pias"
   add_foreign_key "knowledges", "knowledge_bases"
   add_foreign_key "measures", "pias"