diff --git a/library/xml b/library/xml
index 3a1e2159a..e42376086 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit 3a1e2159a55ea46622b8bcfab35333b3674405fd
+Subproject commit e42376086e04fe6db338eadefb00511dcccf1d7b
diff --git a/plugins/stockpiles/StockpileSerializer.cpp b/plugins/stockpiles/StockpileSerializer.cpp
index cdeced990..e5873988f 100644
--- a/plugins/stockpiles/StockpileSerializer.cpp
+++ b/plugins/stockpiles/StockpileSerializer.cpp
@@ -417,7 +417,7 @@ void StockpileSerializer::serialize_list_itemdef ( FuncWriteExport add_value,  s
         {
             const df::itemdef *a = items.at ( i );
             // skip procedurally generated items
-            if ( a->base_flags.is_set ( 0 ) ) continue;
+            if ( a->base_flags.is_set ( df::itemdef_flags::GENERATED ) ) continue;
             ItemTypeInfo ii;
             if ( !ii.decode ( type,  i ) ) continue;
             add_value ( ii.getToken() );