1 files changed, 2 insertions, 0 deletions
diff --git a/dw/core.hh b/dw/core.hh
index 022574b1..9463df2b 100644
--- a/dw/core.hh
+++ b/dw/core.hh
@@ -25,6 +25,7 @@ class Layout;
 class View;
 class Widget;
 class Iterator;
+class StackingContextMgr;
 
 // Nothing yet to free.
 inline void freeall () { }
@@ -53,6 +54,7 @@ class ResourceFactory;
 #include "selection.hh"
 #include "layout.hh"
 #include "widget.hh"
+#include "stackingcontextmgr.hh"
 #include "ui.hh"
 
 #undef __INCLUDED_FROM_DW_CORE_HH__