diff --git a/database/migrations/2016_12_27_212631_make_asset_assigned_to_polymorphic.php b/database/migrations/2016_12_27_212631_make_asset_assigned_to_polymorphic.php
index a00692c7b1..d98212265b 100644
--- a/database/migrations/2016_12_27_212631_make_asset_assigned_to_polymorphic.php
+++ b/database/migrations/2016_12_27_212631_make_asset_assigned_to_polymorphic.php
@@ -16,23 +16,21 @@ class MakeAssetAssignedToPolymorphic extends Migration
     public function up()
     {
          Schema::table('assets', function (Blueprint $table) {
-             //
              $table->string('assigned_type')->nullable();
          });
 
         // Prior to this migration, asset's could only be assigned to users.
-        Asset::whereNotNull('assigned_to')->orWhere('assigned_to', '')->update(['assigned_type' => User::class]);
+        Asset::whereNotNull('assigned_to')->orWhere('assigned_to', '!=', '')->update(['assigned_type' => User::class]);
     }
 
     /**
      * Reverse the migrations.
      *
-     * @return void
+     * @return voidatom
      */
     public function down()
     {
         Schema::table('assets', function (Blueprint $table) {
-            //
             $table->dropColumn('assigned_type');
         });
     }