diff --git a/migration.c b/migration.c
index 4b17566..d094381 100644
--- a/migration.c
+++ b/migration.c
@@ -383,7 +383,7 @@ static MigrationState *migrate_init(Monitor *mon, int detach, int blk, int inc)
     s->bandwidth_limit = bandwidth_limit;
     s->blk = blk;
     s->shared = inc;
-    s->mon = NULL;
+    s->mon = mon;
     s->bandwidth_limit = bandwidth_limit;
     s->state = MIG_STATE_SETUP;