diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index 710afb8f18..f316b224c1 100644
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -2424,7 +2424,7 @@ AUPluginInfo::get_presets (bool user_only) const
 	}
 
 	if (user_only) {
-		std::sort (p.begin (), p.end();
+		std::sort (p.begin (), p.end());
 		return p;
 	}