diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 8596b24..480bf3c 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -1853,7 +1853,7 @@
 	EX_RANGE|EX_WHOLEFOLD|EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK|EX_NONWHITE_OK,
 	ADDR_LINES),
 EXCMD(CMD_block,	"{",		ex_block,  // not found normally
-	EX_TRLBAR|EX_LOCK_OK,
+	EX_TRLBAR|EX_LOCK_OK|EX_CMDWIN,
 	ADDR_NONE),
 EXCMD(CMD_endblock,	"}",		ex_endblock,
 	EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
diff --git a/src/testdir/test_vim9_cmd.vim b/src/testdir/test_vim9_cmd.vim
index e6554e9..a624113 100644
--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -1262,7 +1262,7 @@
   # List results in multiple lines
   new
   setline(1, 'some text here')
-  s/text/\=['aaa', 'bbb', 'ccc']/ 
+  s/text/\=['aaa', 'bbb', 'ccc']/
   assert_equal(['some aaa', 'bbb', 'ccc', ' here'], getline(1, '$'))
   bwipe!
 enddef
@@ -1338,5 +1338,18 @@
   CheckScriptFailure(lines, 'E1186:', 1)
 enddef
 
+def Test_cmdwin_block()
+  augroup justTesting
+    autocmd BufEnter * {
+      echomsg 'in block'
+    }
+  augroup END
+  feedkeys('q:', 'xt')
+  redraw
+  feedkeys("aclose\<CR>", 'xt')
+
+  au! justTesting
+enddef
+
 
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
diff --git a/src/version.c b/src/version.c
index f2aae14..69df671 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3279,
+/**/
     3278,
 /**/
     3277,