diff --git a/src/testdir/test_terminal.vim b/src/testdir/test_terminal.vim
index d325f19..93cb74d 100644
--- a/src/testdir/test_terminal.vim
+++ b/src/testdir/test_terminal.vim
@@ -2065,7 +2065,7 @@
 
   let colors[4] = 'Invalid'
   call assert_fails('call term_setansicolors(buf, colors)', 'E254:')
-  call assert_fails('call term_setansicolors(buf, {})', 'E714:')
+  call assert_fails('call term_setansicolors(buf, {})', 'E1211:')
   set tgc&
 
   call StopShellInTerminal(buf)