Index: gtk2_ardour/mixer_strip.cc
===================================================================
--- gtk2_ardour/mixer_strip.cc	(revision 3470)
+++ gtk2_ardour/mixer_strip.cc	(working copy)
@@ -1228,6 +1228,8 @@
 		}
 
 		gpm.setup_meters ();
+		// reset peak when meter point changes
+		gpm.reset_peak_display();
 		set_width(_width, this);
 }