diff --git a/src/testdir/dumps/Test_changing_cmdheight_6.dump b/src/testdir/dumps/Test_changing_cmdheight_6.dump
new file mode 100644
index 0000000..fb2a521
--- /dev/null
+++ b/src/testdir/dumps/Test_changing_cmdheight_6.dump
@@ -0,0 +1,8 @@
+> +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|[+3#0000000&|N|o| |N|a|m|e|]| @47|0|,|0|-|1| @9|A|l@1
+| +0&&@74
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 00939f9..3cfdd76 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -248,6 +248,13 @@
 
   let lines =<< trim END
       set cmdheight=1 laststatus=2
+      func EchoTwo()
+        set laststatus=2
+        set cmdheight=5
+        echo 'foo'
+        echo 'bar'
+        set cmdheight=1
+      endfunc
   END
   call writefile(lines, 'XTest_cmdheight', 'D')
 
@@ -272,6 +279,10 @@
   call term_sendkeys(buf, ":set cmdheight=1\<CR>")
   call VerifyScreenDump(buf, 'Test_changing_cmdheight_5', {})
 
+  " setting 'cmdheight' works after outputting two messages
+  call term_sendkeys(buf, ":call EchoTwo()\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_6', {})
+
   " clean up
   call StopVimInTerminal(buf)
 endfunc