diff --git a/gtk2_ardour/mac_vst_plugin_ui.mm b/gtk2_ardour/mac_vst_plugin_ui.mm
index fe52a01e13..2b10fc2a88 100644
--- a/gtk2_ardour/mac_vst_plugin_ui.mm
+++ b/gtk2_ardour/mac_vst_plugin_ui.mm
@@ -146,6 +146,6 @@ bool
 MacVSTPluginUI::idle ()
 {
 	AEffect* plugin = _vst->state()->plugin;
-	_vst->state()->wantIdle = plugin->dispatcher (plugin, effIdle, 0, 0, NULL, 0);
+	_vst->state()->wantIdle = plugin->dispatcher (plugin, effEditIdle, 0, 0, NULL, 0);
 	return true; // _vst->state()->wantIdle;
 }