diff --git a/libs/evoral/evoral/ControlSet.hpp b/libs/evoral/evoral/ControlSet.hpp
index ab23751c5d..aa17f62c7a 100644
--- a/libs/evoral/evoral/ControlSet.hpp
+++ b/libs/evoral/evoral/ControlSet.hpp
@@ -41,8 +41,7 @@ public:
 	ControlSet (const ControlSet&);
         virtual ~ControlSet() {}
 
-	virtual boost::shared_ptr<Evoral::Control>
-	control_factory(const Evoral::Parameter& id) = 0;
+	virtual boost::shared_ptr<Evoral::Control> control_factory(const Evoral::Parameter& id) = 0;
 
 	boost::shared_ptr<Control>
 	control (const Parameter& id, bool create_if_missing=false);