diff --git a/contrib/templates/placebo/board.mustache b/contrib/templates/placebo/board.mustache
index d5767a9..755457e 100644
--- a/contrib/templates/placebo/board.mustache
+++ b/contrib/templates/placebo/board.mustache
@@ -23,7 +23,7 @@
         <meta property="og:site_name" content="changolia" />
         <meta property="og:type" content="website"/>
         <meta property="og:title" content="{{board.Board}} on changolia"/>
-        <meta property="og:url" content="{{board.Prefix}}/b/{{board.Board}}/"/>
+        <meta property="og:url" content="{{board.Prefix}}b/{{board.Board}}/"/>
 
         <meta property="og:image"
               content="{{board.Prefix}}static/changolia-logo.png"/>