diff --git a/scripts/cron/removedead.php b/scripts/cron/removedead.php
index f473788..a9a1943 100755
--- a/scripts/cron/removedead.php
+++ b/scripts/cron/removedead.php
@@ -39,6 +39,12 @@
 			(UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(`created`)) >= 172800";
 	mysql_query($query);
 
+	// removes entries that where introduced due to missing/wrong default value
+	// in MariaDB strict mode, see https://bugs.cacert.org/view.php?id=1543
+	$query = "delete from `email` where `memid`=0 and
+			(UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(`created`)) >= 172800";
+	mysql_query($query);
+
 	$query = "delete from `disputedomain` where `hash`!='' and
 			(UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(`created`)) >= 21600";
 	mysql_query($query);