Index: libs/pbd/stateful.cc
===================================================================
--- libs/pbd/stateful.cc	(revision 7819)
+++ libs/pbd/stateful.cc	(working copy)
@@ -274,6 +274,7 @@
 Stateful::suspend_property_changes ()
 {
         _frozen++;
+	_no_property_changes = true;
 }
 
 void
@@ -297,6 +298,8 @@
         mid_thaw (what_changed);
 
         send_change (what_changed);
+	
+	_no_property_changes = false;
 }
 
 bool
