diff --git a/Recyclable.Collections/RecyclableList.cs b/Recyclable.Collections/RecyclableList.cs
index e61bad4..e12fff9 100644
--- a/Recyclable.Collections/RecyclableList.cs
+++ b/Recyclable.Collections/RecyclableList.cs
@@ -47,7 +47,7 @@ namespace Recyclable.Collections
 			if ((list._capacity * blockSize) - oldCountMinus1 == blockSize)
 			{
 				T[][] memoryBlocks = list._memoryBlocks;
-				memoryBlocks[^1].ReturnToPool(_blockArrayPool);
+				memoryBlocks[list.BlockCount - 1].ReturnToPool(_blockArrayPool);
 				list._capacity -= blockSize;
 			}
 		}