diff --git a/src/ads_impl.cc b/src/ads_impl.cc
index 81c4018..0fff9a0 100644
--- a/src/ads_impl.cc
+++ b/src/ads_impl.cc
@@ -391,7 +391,8 @@ void AdsImpl::ClassifyPage(const std::string& url, const std::string& html) {
 
   LOG(INFO) << "Site visited " << url << ", immediateWinner is "
       << winning_category << " and winnerOverTime is "
-      << winner_over_time_category;
+      << winner_over_time_category << "previous tab url "
+      << last_shown_tab_url_;
 
   if (last_shown_tab_url_ == url) {
     LoadInfo load_info;