@@ -183,11 +183,11 @@
 
 	@try {
 		if (itemSize == 0)
 			@throw [OFInvalidArgumentException exception];
 
-		_items = (char *)items;
+		_items = (unsigned char *)items;
 		_itemSize = itemSize;
 		_count = count;
 		_freeWhenDone = freeWhenDone;
 	} @catch (id e) {
 		[self release];