diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index 8c90f09551..05e9daf58c 100644
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -162,7 +162,7 @@ Mixer_UI::Mixer_UI ()
 	/* add as last item of strip packer */
 	strip_packer.pack_end (scroller_base, true, true);
 	scroller_base.set_size_request (PX_SCALE (20), -1);
-	scroller_base.signal_expose_event().connect (sigc::bind (sigc::ptr_fun(&ArdourWidgets::ArdourIcon::expose), &scroller_base, ArdourWidgets::ArdourIcon::ShadedPlusSign,));
+	scroller_base.signal_expose_event().connect (sigc::bind (sigc::ptr_fun(&ArdourWidgets::ArdourIcon::expose), &scroller_base, ArdourWidgets::ArdourIcon::ShadedPlusSign));
 
 #ifdef MIXBUS
 	/* create a drop-shadow at the end of the mixer strips */
@@ -1676,7 +1676,7 @@ Mixer_UI::redisplay_track_list ()
 
 	vca_hpacker.pack_end (vca_scroller_base, true, true);
 	vca_scroller_base.set_size_request (PX_SCALE (20), -1);
-	vca_scroller_base.signal_expose_event().connect (sigc::bind (sigc::ptr_fun(&ArdourWidgets::ArdourIcon::expose), &vca_scroller_base, ArdourWidgets::ArdourIcon::ShadedPlusSign,));
+	vca_scroller_base.signal_expose_event().connect (sigc::bind (sigc::ptr_fun(&ArdourWidgets::ArdourIcon::expose), &vca_scroller_base, ArdourWidgets::ArdourIcon::ShadedPlusSign));
 	vca_scroller_base.show();
 
 	for (i = rows.begin(); i != rows.end(); ++i) {
diff --git a/gtk2_ardour/recorder_ui.cc b/gtk2_ardour/recorder_ui.cc
index 35856b957f..da7261e126 100644
--- a/gtk2_ardour/recorder_ui.cc
+++ b/gtk2_ardour/recorder_ui.cc
@@ -147,7 +147,7 @@ RecorderUI::RecorderUI ()
 	_scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 	_scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &RecorderUI::scroller_button_release));
 	_scroller_base.set_size_request (-1, PX_SCALE (20));
-	_scroller_base.signal_expose_event().connect (sigc::bind (sigc::ptr_fun(&ArdourWidgets::ArdourIcon::expose), &_scroller_base, ArdourWidgets::ArdourIcon::ShadedPlusSign,));
+	_scroller_base.signal_expose_event().connect (sigc::bind (sigc::ptr_fun(&ArdourWidgets::ArdourIcon::expose), &_scroller_base, ArdourWidgets::ArdourIcon::ShadedPlusSign));
 
 	/* LAYOUT */