diff --git a/src/testdir/dumps/Test_echowin_eval.dump b/src/testdir/dumps/Test_echowin_eval.dump
new file mode 100644
index 0000000..80d5fc7
--- /dev/null
+++ b/src/testdir/dumps/Test_echowin_eval.dump
@@ -0,0 +1,8 @@
+> +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|═+0#e000002&@74
+|t|e|s|t| @70
+|1+0#0000000&|2|3| @53|0|,|0|-|1| @8|A|l@1| 
diff --git a/src/testdir/test_messages.vim b/src/testdir/test_messages.vim
index 10af69c..07a4b22 100644
--- a/src/testdir/test_messages.vim
+++ b/src/testdir/test_messages.vim
@@ -420,5 +420,25 @@
   call delete('XtestEchowindow')
 endfunc
 
+" messages window should not be used while evaluating the :echowin argument
+func Test_echowin_eval()
+  CheckScreendump
+
+  let lines =<< trim END
+      func ShowMessage()
+        echo 123
+        return 'test'
+      endfunc
+      echowindow ShowMessage()
+  END
+  call writefile(lines, 'XtestEchowindow')
+  let buf = RunVimInTerminal('-S XtestEchowindow', #{rows: 8})
+  call VerifyScreenDump(buf, 'Test_echowin_eval', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XtestEchowindow')
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab