1 files changed, 2 insertions, 0 deletions
diff --git a/src/document.h b/src/document.h
index 948b5b867..6982e4c4f 100644
--- a/src/document.h
+++ b/src/document.h
@@ -47,6 +47,7 @@ namespace Inkscape {
         class Node;
     }
     namespace Util {
+        class Unit;
         class Quantity;
     }
 }
@@ -227,6 +228,7 @@ public:
 
     SPDocument *doRef();
     SPDocument *doUnref();
+    Inkscape::Util::Unit const* getDefaultUnit();
     Inkscape::Util::Quantity getWidth() const;
     Inkscape::Util::Quantity getHeight() const;
     Geom::Point getDimensions() const;