diff --git a/lib/RT/Action/ExtractSubjectTag.pm b/lib/RT/Action/ExtractSubjectTag.pm
index af2374fbfad..51ed6102360 100644
--- a/lib/RT/Action/ExtractSubjectTag.pm
+++ b/lib/RT/Action/ExtractSubjectTag.pm
@@ -122,7 +122,7 @@ sub Commit {
                 next TAGLIST;
             }
         }
-        $TicketSubject .= " $tag" unless ( $TicketSubject =~ /\Q$tag\E/ );
+        $TicketSubject = "$tag $TicketSubject" unless ( $TicketSubject =~ /\Q$tag\E/ );
     }
 
     $self->TicketObj->SetSubject($TicketSubject)