diff --git a/autoload/UltiSnips/map_keys.vim b/autoload/UltiSnips/map_keys.vim
index eb570ba..6d430aa 100644
--- a/autoload/UltiSnips/map_keys.vim
+++ b/autoload/UltiSnips/map_keys.vim
@@ -15,7 +15,7 @@ function! UltiSnips#map_keys#MapKeys()
         exec "inoremap <silent> " . g:UltiSnipsExpandTrigger . " <C-R>=UltiSnips#ExpandSnippet()<cr>"
         exec "snoremap <silent> " . g:UltiSnipsExpandTrigger . " <Esc>:call UltiSnips#ExpandSnippet()<cr>"
     endif
-    exec 'xnoremap ' . g:UltiSnipsExpandTrigger. ' :call UltiSnips#SaveLastVisualSelection()<cr>gvs'
+    exec "xnoremap <silent> " . g:UltiSnipsExpandTrigger. " :call UltiSnips#SaveLastVisualSelection()<cr>gvs"
     exec "inoremap <silent> " . g:UltiSnipsListSnippets . " <C-R>=UltiSnips#ListSnippets()<cr>"
     exec "snoremap <silent> " . g:UltiSnipsListSnippets . " <Esc>:call UltiSnips#ListSnippets()<cr>"