diff --git a/src/testdir/dumps/Test_pum_with_special_characters_13.dump b/src/testdir/dumps/Test_pum_with_special_characters_13.dump
new file mode 100644
index 0000000..de505d2
--- /dev/null
+++ b/src/testdir/dumps/Test_pum_with_special_characters_13.dump
@@ -0,0 +1,12 @@
+|m+0#ff404010#ffffff0|y| +0#0000000&@72
+| +0#ff404010&@7|m|u|l|t|i| +0#0000000&@61
+|l+0#ff404010&|i|n|e> +0#0000000&@70
+|m+0#0000001#e0e0e08|y|^|@| @1|m|u|l|t|i|^|@|l|i|n|e| @2| +0#4040ff13#ffffff0@54
+|m+0#0000001#ffd7ff255|y|^|@| @3|m|u|l|t|i|^|@|l|i|n|e| | +0#4040ff13#ffffff0@54
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|-+2#0000000&@1| |I|N|S|E|R|T| |-@1| +0&&@62
diff --git a/src/testdir/test_popup.vim b/src/testdir/test_popup.vim
index 82d2ef0..aa4e3e4 100644
--- a/src/testdir/test_popup.vim
+++ b/src/testdir/test_popup.vim
@@ -1905,6 +1905,7 @@
       return [#{word: "func ()\n\t\nend", abbr: "function ()",}, #{word: "foobar"}, #{word: "你好\n\t\n我好"}]
     endfunc
     set omnifunc=Omni_test
+    inoremap <F5> <Cmd>call complete(col('.'), [ "my\n\tmulti\nline", "my\n\t\tmulti\nline" ])<CR>
   END
 
   call writefile(lines, 'Xpreviewscript', 'D')
@@ -1963,6 +1964,14 @@
   call TermWait(buf, 50)
   call VerifyScreenDump(buf, 'Test_pum_with_special_characters_12', {})
 
+  call term_sendkeys(buf, "\<ESC>ggVGd")
+  call term_sendkeys(buf, ":filetype indent on\<CR>")
+  call term_sendkeys(buf, ":set nocompatible autoindent& shiftwidth& tabstop&\<CR>")
+  call term_sendkeys(buf, ":setlocal ft=lua\<CR>")
+  call term_sendkeys(buf, "S\<F5>")
+  call TermWait(buf, 50)
+  call VerifyScreenDump(buf, 'Test_pum_with_special_characters_13', {})
+
   call StopVimInTerminal(buf)
 endfunc