diff --git a/db/migrate/20231110135532_alter_dossiers_for_procedure_preview_not_nullable.rb b/db/migrate/20231110135532_alter_dossiers_for_procedure_preview_not_nullable.rb
new file mode 100644
index 000000000..edcce0a7b
--- /dev/null
+++ b/db/migrate/20231110135532_alter_dossiers_for_procedure_preview_not_nullable.rb
@@ -0,0 +1,5 @@
+class AlterDossiersForProcedurePreviewNotNullable < ActiveRecord::Migration[7.0]
+  def change
+    add_check_constraint :dossiers, "for_procedure_preview IS NOT NULL", name: "dossiers_for_procedure_preview_null", validate: false
+  end
+end
diff --git a/db/migrate/20231110135533_validate_alter_dossiers_for_procedure_preview_not_nullable.rb b/db/migrate/20231110135533_validate_alter_dossiers_for_procedure_preview_not_nullable.rb
new file mode 100644
index 000000000..d08246025
--- /dev/null
+++ b/db/migrate/20231110135533_validate_alter_dossiers_for_procedure_preview_not_nullable.rb
@@ -0,0 +1,7 @@
+class ValidateAlterDossiersForProcedurePreviewNotNullable < ActiveRecord::Migration[7.0]
+  def change
+    validate_check_constraint :dossiers, name: "dossiers_for_procedure_preview_null"
+    change_column_null :dossiers, :for_procedure_preview, false, false
+    remove_check_constraint :dossiers, name: "dossiers_for_procedure_preview_null"
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index adcff1293..9c4e8f408 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_11_07_150217) do
+ActiveRecord::Schema[7.0].define(version: 2023_11_10_135533) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -402,7 +402,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_11_07_150217) do
     t.datetime "en_construction_at", precision: 6
     t.datetime "en_construction_close_to_expiration_notice_sent_at", precision: 6
     t.datetime "en_instruction_at", precision: 6
-    t.boolean "for_procedure_preview", default: false
+    t.boolean "for_procedure_preview", default: false, null: false
     t.boolean "forced_groupe_instructeur", default: false, null: false
     t.bigint "groupe_instructeur_id"
     t.datetime "groupe_instructeur_updated_at", precision: 6