diff --git a/weinre.web/modules/weinre/target/Target.coffee b/weinre.web/modules/weinre/target/Target.coffee
index 4999c3a..fb2a020 100644
--- a/weinre.web/modules/weinre/target/Target.coffee
+++ b/weinre.web/modules/weinre/target/Target.coffee
@@ -59,7 +59,7 @@
         return if window.WeinreServerURL
 
         if element
-            pattern = /(http:\/\/(.*?)\/)/
+            pattern = /((https?:)?\/\/(.*?)\/)/
             match = pattern.exec(element.src)
             if match
                 window.WeinreServerURL = match[1]