diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 30e24ebfc5..e0465bc927 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -361,6 +361,8 @@ Session::Session (AudioEngine &eng,
 
 	_cue_events.reserve (1024);
 
+	Temporal::reset();
+
 	pre_engine_init (fullpath); // sets _is_new
 
 	setup_lua ();
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index 24357a9ece..216b8b3269 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -640,11 +640,6 @@ Session::create (const string& session_template, BusProfile const * bus_profile,
 				<< endmsg;
 			return -1;
 		}
-
-	} else {
-		(void) TempoMap::write_copy(); /* we are going to throw away the return value and replace the map entirely */
-		TempoMap::WritableSharedPtr new_map (new TempoMap (Tempo (120, 4), Meter (4, 4)));
-		TempoMap::update (new_map);;
 	}
 
 	/* set up Master Out and Monitor Out if necessary */
diff --git a/libs/temporal/enums.cc b/libs/temporal/enums.cc
index b0e563cf2b..e61bbd7e42 100644
--- a/libs/temporal/enums.cc
+++ b/libs/temporal/enums.cc
@@ -76,6 +76,13 @@ void Temporal::init ()
 	}
 }
 
+void Temporal::reset ()
+{
+	(void) TempoMap::write_copy(); /* we are going to throw away the return value and replace the map entirely */
+	TempoMap::WritableSharedPtr new_map (new TempoMap (Tempo (120, 4), Meter (4, 4)));
+	TempoMap::update (new_map);;
+}
+
 std::ostream&
 operator<< (std::ostream& o, Temporal::ratio_t const & r)
 {
diff --git a/libs/temporal/temporal/types.h b/libs/temporal/temporal/types.h
index ed7a88013a..df02b7fd78 100644
--- a/libs/temporal/temporal/types.h
+++ b/libs/temporal/temporal/types.h
@@ -30,8 +30,10 @@ namespace Temporal {
 
 #ifdef COMPILER_MSVC
 	LIBTEMPORAL_API void init ();
+	LIBTEMPORAL_API void reset ();
 #else
 	extern void init ();
+	extern void reset ();
 #endif
 
 /* Any position measured in audio samples.