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-rw-r--r--libs/ardour/graph.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/libs/ardour/graph.cc b/libs/ardour/graph.cc
index f312826524..ed157aeb5d 100644
--- a/libs/ardour/graph.cc
+++ b/libs/ardour/graph.cc
@@ -72,6 +72,9 @@ Graph::Graph (Session& session)
g_atomic_int_set (&_idle_thread_cnt, 0);
g_atomic_int_set (&_trigger_queue_size, 0);
+ _n_terminal_nodes[0] = 0;
+ _n_terminal_nodes[1] = 0;
+
/* pre-allocate memory */
_trigger_queue.reserve (1024);