diff --git a/backup_sites_mysql/backup_sites_mysql.sh b/backup_sites_mysql/backup_sites_mysql.sh
index 5f2bc81..d57d0e2 100755
--- a/backup_sites_mysql/backup_sites_mysql.sh
+++ b/backup_sites_mysql/backup_sites_mysql.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# backup_sites_mysql.sh, Copyright © 2006-2010 Matteo Cypriani
+# backup_sites_mysql.sh, Copyright © 2006-2011 Matteo Cypriani
 #
 # This program is free software. It comes without any warranty, to
 # the extent permitted by applicable law. You can redistribute it
@@ -50,7 +50,7 @@ mkdir -p "$REP_MV_SAUV" || exit 2
 # Sauvegarde des bases de données
 for BASE in $BASES ; do
 	FICH_DUMP="$REP_SAUV"/${BASE}_$DATE.dump
-	mysqldump -u $USER -p"$PASS" -B $BASE > "$FICH_DUMP"
+	mysqldump --lock-tables -u $USER -p"$PASS" -B $BASE > "$FICH_DUMP"
 	$COMPRESS -9 "$FICH_DUMP" # On compresse après avoir terminé le dump afin que la BDD ne soit pas verrouillée trop longtemps.
 done