diff --git a/BeefLibs/corlib/src/Array.bf b/BeefLibs/corlib/src/Array.bf
index 1a1d5b2d..122c35d9 100644
--- a/BeefLibs/corlib/src/Array.bf
+++ b/BeefLibs/corlib/src/Array.bf
@@ -277,7 +277,7 @@ namespace System
 			Debug.Assert(length >= 0);
 			Debug.Assert((uint)srcOffset + (uint)length <= (uint)mLength);
 			Debug.Assert((uint)dstOffset + (uint)length <= (uint)arrayTo.mLength);
-			Internal.MemCpy(&arrayTo.GetRef(dstOffset), &GetRef(srcOffset), strideof(T) * length, alignof(T));
+			Internal.MemMove(&arrayTo.GetRef(dstOffset), &GetRef(srcOffset), strideof(T) * length, alignof(T));
 		}
 
 		public void CopyTo<T2>(T2[] arrayTo, int srcOffset, int dstOffset, int length) where T2 : operator explicit T
@@ -300,17 +300,18 @@ namespace System
 		public void CopyTo(Span<T> destination)
 		{
 			Debug.Assert(destination.[Friend]mLength >= mLength);
-			Internal.MemCpy(destination.Ptr, &GetRef(0), strideof(T) * mLength, alignof(T));
+			Internal.MemMove(destination.Ptr, &GetRef(0), strideof(T) * mLength, alignof(T));
 		}
 
 		public void CopyTo(Span<T> destination, int srcOffset)
 		{
 			Debug.Assert((uint)srcOffset + (uint)destination.[Friend]mLength <= (uint)mLength);
-			Internal.MemCpy(destination.Ptr, &GetRef(srcOffset), strideof(T) * (destination.[Friend]mLength - srcOffset), alignof(T));
+			Internal.MemMove(destination.Ptr, &GetRef(srcOffset), strideof(T) * (destination.[Friend]mLength - srcOffset), alignof(T));
 		}
 
 		public void CopyTo<T2>(Span<T2> destination, int srcOffset) where T2 : operator explicit T
 		{
+			//TODO: Handle src/dest overlap (MemMove)
 			Debug.Assert((uint)srcOffset + (uint)destination.[Friend]mLength <= (uint)mLength);
 			var ptr = destination.[Friend]mPtr;
 			for (int i = 0; i < destination.[Friend]mLength; i++)
diff --git a/BeefLibs/corlib/src/Collections/List.bf b/BeefLibs/corlib/src/Collections/List.bf
index 800f5380..e2445326 100644
--- a/BeefLibs/corlib/src/Collections/List.bf
+++ b/BeefLibs/corlib/src/Collections/List.bf
@@ -535,7 +535,7 @@ namespace System.Collections
 			if (mSize == AllocSize) EnsureCapacity(mSize + 1, true);
 			if (index < mSize)
 			{
-				Internal.MemCpy(mItems + index + 1, mItems + index, (mSize - index) * strideof(T), alignof(T));
+				Internal.MemMove(mItems + index + 1, mItems + index, (mSize - index) * strideof(T), alignof(T));
 			}
 			mItems[index] = item;
 			mSize++;
@@ -554,7 +554,7 @@ namespace System.Collections
 			if (mSize + addCount > AllocSize) EnsureCapacity(mSize + addCount, true);
 			if (index < mSize)
 			{
-				Internal.MemCpy(mItems + index + addCount, mItems + index, (mSize - index) * strideof(T), alignof(T));
+				Internal.MemMove(mItems + index + addCount, mItems + index, (mSize - index) * strideof(T), alignof(T));
 			}
 			Internal.MemCpy(mItems + index, items.Ptr, addCount * strideof(T));
 			mSize += (int_cosize)addCount;
@@ -568,7 +568,7 @@ namespace System.Collections
 			Debug.Assert((uint)index < (uint)mSize);
 			if (index < mSize - 1)
 			{
-				Internal.MemCpy(mItems + index, mItems + index + 1, (mSize - index - 1) * strideof(T), alignof(T));
+				Internal.MemMove(mItems + index, mItems + index + 1, (mSize - index - 1) * strideof(T), alignof(T));
 			}
 			mSize--;
 #if VERSION_LIST