diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 515a0fd..24ac88e 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -373,14 +373,14 @@ namespace DCFApixels.DragonECS
 #if (DEBUG && !DISABLE_DEBUG) || !DISABLE_DRAGONECS_ASSERT_CHEKS
             if (mask._worldID != id) { Throw.World_MaskDoesntBelongWorld(); }
 #endif
-            for (int i = 0, iMax = mask._incChunckMasks.Length; i < iMax; i++)
+            for (int i = 0, iMax = mask._inc.Length; i < iMax; i++)
             {
                 if (!_pools[mask._inc[i]].Has(entityID))
                 {
                     return false;
                 }
             }
-            for (int i = 0, iMax = mask._excChunckMasks.Length; i < iMax; i++)
+            for (int i = 0, iMax = mask._exc.Length; i < iMax; i++)
             {
                 if (_pools[mask._exc[i]].Has(entityID))
                 {