diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 226db83..ef8797f 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1430,6 +1430,15 @@
 def Test_expr7_register()
   @a = 'register a'
   assert_equal('register a', @a)
+
+  let fname = expand('%')
+  assert_equal(fname, @%)
+
+  feedkeys(":echo 'some'\<CR>", "xt")
+  assert_equal("echo 'some'", @:)
+
+  normal axyz
+  assert_equal("xyz", @.)
 enddef
 
 def Test_expr7_namespace()
diff --git a/src/version.c b/src/version.c
index c27c94a..b04f4fe 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1356,
+/**/
     1355,
 /**/
     1354,
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 5999c39..cfd4ff1 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3565,7 +3565,7 @@
 	semsg(_(e_syntax_at), *arg - 1);
 	return FAIL;
     }
-    if (!valid_yank_reg(**arg, TRUE))
+    if (!valid_yank_reg(**arg, FALSE))
     {
 	emsg_invreg(**arg);
 	return FAIL;