diff --git a/app/finders/wp_version/rdf_generator.rb b/app/finders/wp_version/rdf_generator.rb
index 8a4e0f4fa..e3045aeff 100644
--- a/app/finders/wp_version/rdf_generator.rb
+++ b/app/finders/wp_version/rdf_generator.rb
@@ -28,7 +28,7 @@ def process_urls(urls, _opts = {})
         end
 
         def passive_urls_xpath
-          '//a[contains(@href, "rdf")]/@href'
+          '//a[contains(@href, "/rdf")]/@href'
         end
 
         def aggressive_urls(_opts = {})