diff --git a/db/migrate/20240709095914_allow_null_for_typ_investicie_in_metais_project_versions.rb b/db/migrate/20240709095914_allow_null_for_typ_investicie_in_metais_project_versions.rb
index b0e9900..8bd4188 100644
--- a/db/migrate/20240709095914_allow_null_for_typ_investicie_in_metais_project_versions.rb
+++ b/db/migrate/20240709095914_allow_null_for_typ_investicie_in_metais_project_versions.rb
@@ -1,5 +1,5 @@
 class AllowNullForTypInvesticieInMetaisProjectVersions < ActiveRecord::Migration[6.0]
   def change
-    change_column_null 'metais.project_versions', :typ_investicie, true
+    change_column_null 'metais.project_versions', :typ_investicie, null: true
   end
 end