composition: Forward flushes on initialization

diff --git a/gnl/gnlcomposition.c b/gnl/gnlcomposition.c
index 363ce57..37acc70 100644 (file)
--- a/gnl/gnlcomposition.c
+++ b/gnl/gnlcomposition.c
@@ -260,7 +260,8 @@ static inline gboolean
 _have_to_flush_downstream (GnlUpdateStackReason update_reason)
 {
   if (update_reason == COMP_UPDATE_STACK_ON_COMMIT ||
-      update_reason == COMP_UPDATE_STACK_ON_SEEK)
+      update_reason == COMP_UPDATE_STACK_ON_SEEK ||
+      update_reason == COMP_UPDATE_STACK_INITIALIZE)
     return TRUE;
 
   return FALSE;