4 files changed, 4 insertions, 4 deletions
diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index e26e0f7b77..9a6c19225b 100644
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -864,7 +864,7 @@ OSC::get_state ()
 }
 		
 int 
-OSC::set_state (const XMLNode&)
+OSC::set_state (const XMLNode&, int /*version*/)
 {
 	return 0;
 }
diff --git a/libs/surfaces/osc/osc.h b/libs/surfaces/osc/osc.h
index 2b6df6a80c..a814726b4e 100644
--- a/libs/surfaces/osc/osc.h
+++ b/libs/surfaces/osc/osc.h
@@ -49,7 +49,7 @@ class OSC : public ARDOUR::ControlProtocol
 	virtual ~OSC();
 
 	XMLNode& get_state ();
-	int set_state (const XMLNode&);
+	int set_state (const XMLNode&, int version = 3000);
 
 	int set_active (bool yn);
 	bool get_active () const;
diff --git a/libs/surfaces/osc/osc_controllable.cc b/libs/surfaces/osc/osc_controllable.cc
index 3d3fefcac1..ed805466b0 100644
--- a/libs/surfaces/osc/osc_controllable.cc
+++ b/libs/surfaces/osc/osc_controllable.cc
@@ -51,7 +51,7 @@ OSCControllable::get_state ()
 }
 
 int
-OSCControllable::set_state (const XMLNode& /*node*/)
+OSCControllable::set_state (const XMLNode& /*node*/, int /*version*/)
 {
 	return 0;
 }
diff --git a/libs/surfaces/osc/osc_controllable.h b/libs/surfaces/osc/osc_controllable.h
index 4b10dbc39e..b5021aa397 100644
--- a/libs/surfaces/osc/osc_controllable.h
+++ b/libs/surfaces/osc/osc_controllable.h
@@ -44,7 +44,7 @@ class OSCControllable : public PBD::Stateful
 	lo_address address() const { return addr; }
 
 	XMLNode& get_state ();
-	int set_state (const XMLNode& node);
+	int set_state (const XMLNode& node, int version = 3000);
 
   protected:
 	boost::shared_ptr<PBD::Controllable> controllable;