diff --git a/MotorPlant/MotorPlantContracts/Attributes/ColumnAttribute.cs b/MotorPlant/MotorPlantContracts/Attributes/ColumnAttribute.cs
index 02b58df..c87ac2d 100644
--- a/MotorPlant/MotorPlantContracts/Attributes/ColumnAttribute.cs
+++ b/MotorPlant/MotorPlantContracts/Attributes/ColumnAttribute.cs
@@ -7,6 +7,7 @@ using System.Threading.Tasks;
 
 namespace MotorPlantContracts.Attributes
 {
+    [AttributeUsage(AttributeTargets.Property)]
     public class ColumnAttribute : Attribute
     {
         public string Title { get; private set; }