diff --git a/lib/MoonTools.ECS b/lib/MoonTools.ECS
index 1d7db58..227aae9 160000
--- a/lib/MoonTools.ECS
+++ b/lib/MoonTools.ECS
@@ -1 +1 @@
-Subproject commit 1d7db58d437ce370a31e2ae11a17350cec2089f7
+Subproject commit 227aae9a1a6fb0096580b0dd0c4d1787351fbc6a
diff --git a/src/MoonWorksECSTestGame.cs b/src/MoonWorksECSTestGame.cs
index 8d07197..8ad780f 100644
--- a/src/MoonWorksECSTestGame.cs
+++ b/src/MoonWorksECSTestGame.cs
@@ -19,6 +19,10 @@ namespace MoonWorksECSTest
 
 			var entity = world.CreateEntity();
 			world.Set(entity, new PositionComponent { Position = new MoonWorks.Math.Vector2(200, 200) });
+			world.Set(entity, new StaticPositionComponent());
+
+			entity = world.CreateEntity();
+			world.Set(entity, new PositionComponent { Position = new MoonWorks.Math.Vector2(100, 100) });
         }
 
         protected override void Update(System.TimeSpan dt)
diff --git a/src/PositionSystem.cs b/src/PositionSystem.cs
index dbf6302..73474f1 100644
--- a/src/PositionSystem.cs
+++ b/src/PositionSystem.cs
@@ -9,7 +9,10 @@ namespace MoonWorksECSTest
 
 		public PositionSystem(World world) : base(world)
 		{
-			PositionFilter = FilterBuilder.Include<PositionComponent>().Build();
+			PositionFilter =
+				FilterBuilder.Include<PositionComponent>()
+							 .Exclude<StaticPositionComponent>()
+							 .Build();
 		}
 
 		public override void Update(TimeSpan delta)
@@ -22,7 +25,7 @@ namespace MoonWorksECSTest
 					{
 						var positionComponent = Get<PositionComponent>(entity);
 						Set(entity, new PositionComponent { Position = new MoonWorks.Math.Vector2(positionComponent.Position.X + 10, positionComponent.Position.Y)});
-						Console.WriteLine("Position: " + Get<PositionComponent>(entity).Position);
+						Console.WriteLine("Entity: " + entity.ID + ", Position: " + Get<PositionComponent>(entity).Position);
 					}
 				}
 			}
diff --git a/src/StaticPositionComponent.cs b/src/StaticPositionComponent.cs
new file mode 100644
index 0000000..63d000c
--- /dev/null
+++ b/src/StaticPositionComponent.cs
@@ -0,0 +1,4 @@
+namespace MoonWorksECSTest
+{
+	public struct StaticPositionComponent { }
+}