Index: src/OFConcreteData.m
==================================================================
--- src/OFConcreteData.m
+++ src/OFConcreteData.m
@@ -36,10 +36,11 @@
 	@try {
 		if (itemSize == 0)
 			@throw [OFInvalidArgumentException exception];
 
 		_itemSize = itemSize;
+		_freeWhenDone = true;
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}