diff --git a/gtk2_ardour/time_axis_view.cc b/gtk2_ardour/time_axis_view.cc
index ef94034569..3ac5fc6c38 100644
--- a/gtk2_ardour/time_axis_view.cc
+++ b/gtk2_ardour/time_axis_view.cc
@@ -428,9 +428,13 @@ TimeAxisView::set_heights (uint32_t h)
 }
 
 void
-TimeAxisView::set_height_enum (Height h)
+TimeAxisView::set_height_enum (Height h, bool apply_to_selection)
 {
-	set_height (preset_height (h));
+	if (apply_to_selection) {
+		_editor.get_selection().tracks.foreach_time_axis (boost::bind (&TimeAxisView::set_height_enum, _1, h, false));
+	} else {
+		set_height (preset_height (h));
+	}
 }
 
 void
@@ -1362,10 +1366,10 @@ TimeAxisView::build_size_menu ()
 	_size_menu->set_name ("ArdourContextMenu");
 	MenuList& items = _size_menu->items();
 	
-	items.push_back (MenuElem (_("Largest"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLargest)));
-	items.push_back (MenuElem (_("Larger"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarger)));
-	items.push_back (MenuElem (_("Large"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarge)));
-	items.push_back (MenuElem (_("Normal"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightNormal)));
-	items.push_back (MenuElem (_("Smaller"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmaller)));
-	items.push_back (MenuElem (_("Small"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmall)));
+	items.push_back (MenuElem (_("Largest"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLargest, true)));
+	items.push_back (MenuElem (_("Larger"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarger, true)));
+	items.push_back (MenuElem (_("Large"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarge, true)));
+	items.push_back (MenuElem (_("Normal"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightNormal, true)));
+	items.push_back (MenuElem (_("Smaller"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmaller, true)));
+	items.push_back (MenuElem (_("Small"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmall, true)));
 }
diff --git a/gtk2_ardour/time_axis_view.h b/gtk2_ardour/time_axis_view.h
index 16c527d2be..9630b3f19c 100644
--- a/gtk2_ardour/time_axis_view.h
+++ b/gtk2_ardour/time_axis_view.h
@@ -149,7 +149,7 @@ class TimeAxisView : public virtual AxisView, public PBD::Stateful
 	virtual void exited () {}
 
 	virtual void set_height (uint32_t h);
-	void set_height_enum (Height);
+	void set_height_enum (Height, bool apply_to_selection = false);
 	void reset_height();
 
 	std::pair<TimeAxisView*, ARDOUR::layer_t> covers_y_position (double);
diff --git a/gtk2_ardour/track_selection.h b/gtk2_ardour/track_selection.h
index 46c04183a4..68ec3b7bd6 100644
--- a/gtk2_ardour/track_selection.h
+++ b/gtk2_ardour/track_selection.h
@@ -35,6 +35,13 @@ public:
 	
 	TrackViewList add (TrackViewList const &);
 
+	template <typename Function>
+	void foreach_time_axis (Function f) {
+		for (iterator i = begin(); i != end(); ++i) {
+			f (*i);
+		}
+	}
+
 	template <typename Function>
 	void foreach_route_ui (Function f) {
 		for (iterator i = begin(); i != end(); ++i) {