diff --git a/show_url.pl b/show_url.pl
index 9840a1f835e784773cbc8141306c763dcfaf9aa8..8cece30eae60093d5f6fcfbc3db8930bc00ea902 100755
--- a/show_url.pl
+++ b/show_url.pl
@@ -24,12 +24,11 @@ foreach my $row (@$data)
   $url= $canonical_url unless ($url);
   my $doi_link= 'https://doi.org/'. $doi;
 
-  print __LINE__, " doi=[$doi] url=[$url] doi_link=[$doi_link]\n";
-  # system ('xdg-open', $url);
+  my $msg= "doi=[$doi] url=[$url] doi_link=[$doi_link]";
+  print __LINE__, ' ', $msg, "\n";
+  system('notify-send', $msg);
   system ('xdg-open', $doi_link);
 
   <STDIN>;
 }
 
-
-