diff --git a/database/migrations/2016_09_23_140722_fix_modelno_in_consumables_to_string.php b/database/migrations/2016_09_23_140722_fix_modelno_in_consumables_to_string.php
new file mode 100644
index 0000000000..a76ea18189
--- /dev/null
+++ b/database/migrations/2016_09_23_140722_fix_modelno_in_consumables_to_string.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class FixModelnoInConsumablesToString extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('consumables', function ($table) {
+            $table->string('model_no')->nullable()->default(null)->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('consumables', function ($table) {
+            $table->integer('model_no')->nullable()->default(null)->change();
+        });
+    }
+}