diff --git a/selfupdate/update_header.sh b/selfupdate/update_header.sh
index e6266914..8f5dec58 100755
--- a/selfupdate/update_header.sh
+++ b/selfupdate/update_header.sh
@@ -4,3 +4,4 @@ rm -rf /root/stratux-update
 mkdir -p /root/stratux-update
 cd /root/stratux-update
 mv -f /var/log/stratux.sqlite /var/log/stratux.sqlite.`date +%s`
+rm -f /var/log/stratux.sqlite-wal /var/log/stratux.sqlite-shm