diff --git a/bin/build b/bin/build
index a54377501e..b32d108d40 100755
--- a/bin/build
+++ b/bin/build
@@ -24,5 +24,5 @@ while (<DATA>) {
 __END__
 Tooting:tooting
 Battersea:battersea
-Mid Bedfordshire:mid_beds
+Mid Bedfordshire:mid-beds
 Clacton:clacton
diff --git a/c/mid_beds.html b/c/mid-beds.html
similarity index 95%
rename from c/mid_beds.html
rename to c/mid-beds.html
index 9358a65677..4c6ac859fd 100644
--- a/c/mid_beds.html
+++ b/c/mid-beds.html
@@ -55,7 +55,7 @@
     <div class="jumbotron">
       <div class="container">
         <h1>Mid Bedfordshire</h1>
-<a class="twitter-timeline" href="https://twitter.com/TwittElection/lists/mid_beds" data-widget-id="464129893937082368" data-list-owner-screen-name="TwittElection" data-list-slug="mid_beds">Tweets from https://twitter.com/TwittElection/lists/mid_beds</a>
+<a class="twitter-timeline" href="https://twitter.com/TwittElection/lists/mid-beds" data-widget-id="464129893937082368" data-list-owner-screen-name="TwittElection" data-list-slug="mid-beds">Tweets from https://twitter.com/TwittElection/lists/mid-beds</a>
 <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
       </div>
     </div>