diff --git a/hermes.c b/hermes.c
index 48dc393..15da928 100644
--- a/hermes.c
+++ b/hermes.c
@@ -312,6 +312,8 @@ void hermes_main(char * incoming_mail, const char * listname)
 	    !strncasecmp(currLine, "In-Reply-To:", 12) ||
 	    !strncasecmp(currLine, "References:", 11) ||
 	    !strncasecmp(currLine, "Message-Id:", 11) ||
+	    !strncasecmp(currLine, "Keywords:", 11) ||
+	    !strncasecmp(currLine, "Summary:", 11) ||
 	    !strncasecmp(currLine, "Received:", 9))
 	    {
 	    len = nextLine - currLine;