diff --git a/src/EcsWorld.pools.cs b/src/EcsWorld.pools.cs
index 09fca4a..29eb598 100644
--- a/src/EcsWorld.pools.cs
+++ b/src/EcsWorld.pools.cs
@@ -14,7 +14,7 @@ namespace DCFApixels.DragonECS
 
         private readonly PoolsMediator _poolsMediator;
 
-        private static EcsNullPool _nullPool = EcsNullPool.instance;
+        private EcsNullPool _nullPool = EcsNullPool.instance;
 
         #region Getters