diff --git a/src/testdir/test_lambda.vim b/src/testdir/test_lambda.vim
index b8f11ea..7fdfb87 100644
--- a/src/testdir/test_lambda.vim
+++ b/src/testdir/test_lambda.vim
@@ -63,6 +63,7 @@
   call assert_equal(3, {a, b -> a + b}(1, 2))
   call assert_fails('echo {a, a -> a + a}(1, 2)', 'E853:')
   call assert_fails('echo {a, b -> a + b)}(1, 2)', 'E15:')
+  echo assert_fails('echo 10->{a -> a + 2}', 'E107:')
 endfunc
 
 func Test_not_lamda()
@@ -309,3 +310,5 @@
   " This was causing a crash
   call assert_fails('ec{@{->{d->()()', 'E15')
 endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab