diff --git a/src/Monitoring/ThreadWatcher.coffee b/src/Monitoring/ThreadWatcher.coffee
index 62e99151b..577572c7e 100644
--- a/src/Monitoring/ThreadWatcher.coffee
+++ b/src/Monitoring/ThreadWatcher.coffee
@@ -304,7 +304,7 @@ ThreadWatcher =
     excerpt or= "/#{boardID}/ - No.#{threadID}"
 
     link = $.el 'a',
-      href: "/#{boardID}/thread/#{threadID}"
+      href: "/#{Site.urls.thread({boardID, threadID})}"
       title: excerpt
       className: 'watcher-link'
 
diff --git a/src/site/SW.tinyboard.coffee b/src/site/SW.tinyboard.coffee
index 5830a4f0c..d42cac420 100644
--- a/src/site/SW.tinyboard.coffee
+++ b/src/site/SW.tinyboard.coffee
@@ -47,6 +47,9 @@ SW.tinyboard =
       return true if /\bvar configRoot=".*?"/.test(script.textContent)
     false
 
+  urls:
+    thread: ({boardID, threadID}) -> "#{boardID}/res/#{threadID}.html"
+
   selectors:
     board:         'form[name="postcontrols"]'
     thread:        'div[id^="thread_"]'
diff --git a/src/site/SW.yotsuba.coffee b/src/site/SW.yotsuba.coffee
index a781b6815..04fedab78 100644
--- a/src/site/SW.yotsuba.coffee
+++ b/src/site/SW.yotsuba.coffee
@@ -1,6 +1,9 @@
 SW.yotsuba =
   isOPContainerThread: false
 
+  urls:
+    thread: ({boardID, threadID}) -> "#{boardID}/thread/#{threadID}"
+
   selectors:
     board:         '.board'
     thread:        '.thread'