diff --git a/src/testdir/test55.ok b/src/testdir/test55.ok
index e8560de..ba029b2 100644
--- a/src/testdir/test55.ok
+++ b/src/testdir/test55.ok
@@ -129,6 +129,7 @@
 {'a': {'b': 'B'}}
 Vim(call):E737: a
 {'a': {'b': 'B'}}
+[1, 2]
 Vim(foldopen):E490: