diff --git a/hooks/subjects.pl b/hooks/subjects.pl
index cdbeab0..3390340 100755
--- a/hooks/subjects.pl
+++ b/hooks/subjects.pl
@@ -298,7 +298,7 @@ sub tag_project
 		{
 		    # Looking for an old token
 		    my @rendus = grep {
-			exists $_->{vcs} and $_->{vcs}{tag} eq $tag;
+			exists $_->{vcs} and $_->{vcs}{tag} eq $vcs->hasAttribute("tag");
 		    } @{ $project->{submissions} };
 
 		    if (@rendus == 1) {