diff --git a/library/xml b/library/xml
index 8c0d23090..1dcd61e43 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit 8c0d23090539be98bc9c67b9070cbe080383ae9f
+Subproject commit 1dcd61e43a8a73e637c17585d4bfe6e8b3cd0c68
diff --git a/plugins/tubefill.cpp b/plugins/tubefill.cpp
index 5e863d882..efdc6f1a9 100644
--- a/plugins/tubefill.cpp
+++ b/plugins/tubefill.cpp
@@ -13,6 +13,8 @@
 #include "modules/Gui.h"
 #include "TileTypes.h"
 
+#include "df/deep_vein_hollow.h"
+
 using namespace DFHack;
 using namespace df::enums;
 using df::global::world;