3 files changed, 6 insertions, 0 deletions
diff --git a/src/live_effects/parameter/parameter.h b/src/live_effects/parameter/parameter.h
index 78d12ca69..bd3fe906e 100644
--- a/src/live_effects/parameter/parameter.h
+++ b/src/live_effects/parameter/parameter.h
@@ -55,6 +55,8 @@ public:
     virtual void param_editOncanvas(SPItem * /*item*/, SPDesktop * /*dt*/) {};
     virtual void param_setup_notepath(Inkscape::NodePath::Path */*np*/) {};
 
+    virtual void param_transform_multiply(Geom::Matrix const& /*postmul*/, bool /*set*/) {};
+
     Glib::ustring param_key;
     Inkscape::UI::Widget::Registry * param_wr;
     Glib::ustring param_label;
diff --git a/src/live_effects/parameter/path.h b/src/live_effects/parameter/path.h
index fc5a16a5b..696f27a87 100644
--- a/src/live_effects/parameter/path.h
+++ b/src/live_effects/parameter/path.h
@@ -49,6 +49,8 @@ public:
     void param_editOncanvas(SPItem * item, SPDesktop * dt);
     void param_setup_notepath(Inkscape::NodePath::Path *np);
 
+    virtual void param_transform_multiply(Geom::Matrix const& /*postmul*/, bool /*set*/) {};
+
     sigc::signal <void> signal_path_pasted;
     sigc::signal <void> signal_path_changed;
 
diff --git a/src/live_effects/parameter/point.h b/src/live_effects/parameter/point.h
index 25cdedb9d..72b3991e1 100644
--- a/src/live_effects/parameter/point.h
+++ b/src/live_effects/parameter/point.h
@@ -43,6 +43,8 @@ public:
     void param_setValue(Geom::Point newpoint);
     void param_set_default();
 
+    virtual void param_transform_multiply(Geom::Matrix const& /*postmul*/, bool /*set*/) {};
+
 private:
     PointParam(const PointParam&);
     PointParam& operator=(const PointParam&);