diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index 0565e24f60..b4f36f2f9d 100644
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -226,7 +226,7 @@ OSC::start ()
 
 	register_callbacks();
 
-	session_loaded (@session);
+	session_loaded (*session);
 
 	// lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);