diff --git a/src/testdir/test_listdict.vim b/src/testdir/test_listdict.vim
index 54486ff..9085c6e 100644
--- a/src/testdir/test_listdict.vim
+++ b/src/testdir/test_listdict.vim
@@ -1007,8 +1007,10 @@
   call assert_equal('[]', string(l))
   call assert_equal(0, sort(l))
   call assert_equal(0, uniq(l))
-  call assert_fails("let k = [] + l", 'E15:')
-  call assert_fails("let k = l + []", 'E15:')
+  let k = [] + l
+  call assert_equal([], k)
+  let k = l + []
+  call assert_equal([], k)
   call assert_equal(0, len(copy(l)))
   call assert_equal(0, count(l, 5))
   call assert_equal([], deepcopy(l))
diff --git a/src/version.c b/src/version.c
index 8dabd60..e0bcc90 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1822,
+/**/
     1821,
 /**/
     1820,