diff --git a/db/migrate/20220303170801_add_error_to_sensor.rb b/db/migrate/20220303170801_add_error_to_sensor.rb
new file mode 100644
index 0000000..3ab7c44
--- /dev/null
+++ b/db/migrate/20220303170801_add_error_to_sensor.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddErrorToSensor < ActiveRecord::Migration[6.1]
+  def change
+    add_column :sensors, :error, :integer
+  end
+end