diff --git a/plugin/ack.vim b/plugin/ack.vim
index fb0c1f4f..145a9d8a 100644
--- a/plugin/ack.vim
+++ b/plugin/ack.vim
@@ -88,7 +88,7 @@ function! s:Ack(cmd, args)
 
   " If highlighting is on, highlight the search keyword.
   if exists("g:ackhighlight")
-    let @/=a:args
+    let @/ = substitute(a:args,'["'']','','g')
     set hlsearch
   end