diff --git a/src/Monitoring/ThreadWatcher.coffee b/src/Monitoring/ThreadWatcher.coffee
index 87feb0800..49e007e26 100644
--- a/src/Monitoring/ThreadWatcher.coffee
+++ b/src/Monitoring/ThreadWatcher.coffee
@@ -305,7 +305,7 @@ ThreadWatcher =
     excerpt or= "/#{boardID}/ - No.#{threadID}"
 
     link = $.el 'a',
-      href: "/#{Site.urls.thread({boardID, 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 50d84712e..56d8dd381 100644
--- a/src/site/SW.tinyboard.coffee
+++ b/src/site/SW.tinyboard.coffee
@@ -48,7 +48,7 @@ SW.tinyboard =
     false
 
   urls:
-    thread: ({boardID, threadID}) -> "#{boardID}/res/#{threadID}.html"
+    thread: ({boardID, threadID}) -> "#{location.origin}/#{boardID}/res/#{threadID}.html"
 
   selectors:
     board:         'form[name="postcontrols"]'
diff --git a/src/site/SW.yotsuba.coffee b/src/site/SW.yotsuba.coffee
index e80200011..9936e7bef 100644
--- a/src/site/SW.yotsuba.coffee
+++ b/src/site/SW.yotsuba.coffee
@@ -2,7 +2,7 @@ SW.yotsuba =
   isOPContainerThread: false
 
   urls:
-    thread: ({boardID, threadID}) -> "#{boardID}/thread/#{threadID}"
+    thread: ({boardID, threadID}) -> "#{location.protocol}//#{BoardConfig.domain(boardID)}/#{boardID}/thread/#{threadID}"
 
   selectors:
     board:         '.board'