diff --git a/gtk2_ardour/automation_streamview.cc b/gtk2_ardour/automation_streamview.cc
index b1d0ebec65..a3b3f37946 100644
--- a/gtk2_ardour/automation_streamview.cc
+++ b/gtk2_ardour/automation_streamview.cc
@@ -73,7 +73,7 @@ AutomationStreamView::~AutomationStreamView ()
 
 
 RegionView*
-AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wait_for_data, bool /*recording*/)
+AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool /*wait_for_data*/, bool /*recording*/)
 {
 	if (!region) {
 		return 0;