diff --git a/config/filter.d/sendmail-reject.conf b/config/filter.d/sendmail-reject.conf
index 985eac8b..cd552c27 100644
--- a/config/filter.d/sendmail-reject.conf
+++ b/config/filter.d/sendmail-reject.conf
@@ -48,7 +48,7 @@ mode = normal
 
 ignoreregex = 
 
-journalmatch = _SYSTEMD_UNIT=sendmail.service
+journalmatch = SYSLOG_IDENTIFIER=sm-mta + _SYSTEMD_UNIT=sendmail.service
 
 # DEV NOTES:
 #