diff --git a/migration/migration.c b/migration/migration.c
index bb8bbddfe4..739bb683f3 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -574,7 +574,8 @@ static void process_incoming_migration_bh(void *opaque)
     migration_incoming_state_destroy();
 }
 
-static void process_incoming_migration_co(void *opaque)
+static void coroutine_fn
+process_incoming_migration_co(void *opaque)
 {
     MigrationIncomingState *mis = migration_incoming_get_current();
     PostcopyState ps;