diff --git a/autoload/tablemode.vim b/autoload/tablemode.vim
index 8d65e5c..479739f 100644
--- a/autoload/tablemode.vim
+++ b/autoload/tablemode.vim
@@ -108,7 +108,7 @@ endfunction
 function! s:ToggleOptions() "{{{2
   if tablemode#IsActive()
     let b:old_update_time = &updatetime
-    setl updatetime = g:table_mode_update_time
+    exec 'set updatetime='.g:table_mode_update_time
   else
     exec 'set updatetime='.get(b:, 'old_update_time', 4000)
   endif
diff --git a/t/config/options.vim b/t/config/options.vim
index 5b23596..f86dbbf 100644
--- a/t/config/options.vim
+++ b/t/config/options.vim
@@ -28,3 +28,4 @@ let g:table_mode_sort_map = '<Leader>ts'
 
 let g:table_mode_syntax = 1
 let g:table_mode_auto_align = 1
+let g:table_mode_update_time = 500