Index: libs/ardour/ardour/processor.h
===================================================================
--- libs/ardour/ardour/processor.h	(revision 7766)
+++ libs/ardour/ardour/processor.h	(working copy)
@@ -72,8 +72,8 @@
 	virtual void run (BufferSet& /*bufs*/, framepos_t /*start_frame*/, framepos_t /*end_frame*/, nframes_t /*nframes*/, bool /*result_required*/) {}
 	virtual void silence (nframes_t /*nframes*/) {}
 
-	virtual void activate ()   { _pending_active = true; ActiveChanged(); }
-	virtual void deactivate () { _pending_active = false; ActiveChanged(); }
+	virtual void activate ()   { _pending_active = true; }
+	virtual void deactivate () { _pending_active = false;}
         virtual void flush() {}
 
 	virtual bool configure_io (ChanCount in, ChanCount out);