diff --git a/Recyclable.Collections/RecyclableList.Helpers.cs b/Recyclable.Collections/RecyclableList.Helpers.cs
index 47d324e..4064e99 100644
--- a/Recyclable.Collections/RecyclableList.Helpers.cs
+++ b/Recyclable.Collections/RecyclableList.Helpers.cs
@@ -237,7 +237,7 @@ namespace Recyclable.Collections
 				: RecyclableArrayPool<T>.Rent(list._capacity);
 
 			// & WAS SLOWER WITHOUT
-			new Span<T>(oldMemoryBlock).CopyTo(list._memoryBlock);
+			new Span<T>(oldMemoryBlock, 0, list._count).CopyTo(list._memoryBlock);
 
 			if (oldMemoryBlock.Length >= RecyclableDefaults.MinPooledArrayLength)
 			{
@@ -266,7 +266,7 @@ namespace Recyclable.Collections
 			T[] oldMemoryBlock = sourceList._memoryBlock;
 
 			// & WAS SLOWER AS ARRAY
-			new Span<T>(oldMemoryBlock).CopyTo(newMemoryBlock);
+			new Span<T>(oldMemoryBlock, 0, sourceList._count).CopyTo(newMemoryBlock);
 
 			if (oldMemoryBlock.Length >= RecyclableDefaults.MinPooledArrayLength)
 			{
diff --git a/Recyclable.Collections/RecyclableList.cs b/Recyclable.Collections/RecyclableList.cs
index 00cd370..b6617fd 100644
--- a/Recyclable.Collections/RecyclableList.cs
+++ b/Recyclable.Collections/RecyclableList.cs
@@ -261,7 +261,7 @@ namespace Recyclable.Collections
 				_ = RecyclableListHelpers<T>.EnsureCapacity(this, targetCapacity);
 			}
 
-			new Span<T>(items._memoryBlock).CopyTo(new Span<T>(_memoryBlock, _count, items._count));
+			new Span<T>(items._memoryBlock, 0, items._count).CopyTo(new Span<T>(_memoryBlock, _count, items._count));
 			_count = targetCapacity;
 			_version++;
 		}