diff --git a/debian/alternc.cron.d b/debian/alternc.cron.d
index 235a6d8b..fe66ff62 100644
--- a/debian/alternc.cron.d
+++ b/debian/alternc.cron.d
@@ -2,14 +2,14 @@
 0 4 * * *	root	/usr/lib/alternc/rawstat.daily
 
 # Every 2 days compress log files
-0 4 * * *	root	/usr/lib/alternc/compress_logs.sh
+0 4 * * *	alterncpanel	/usr/lib/alternc/compress_logs.sh
 
 # Suppress log files older than one year
-0 4 * * *	root	/usr/lib/alternc/delete_logs.sh
+0 4 * * *	alterncpanel	/usr/lib/alternc/delete_logs.sh
 
 # Every day at 5am and every week at 4am, make requested SQL backups
-0 5 * * *	www-data	/usr/lib/alternc/sqlbackup.sh -t daily
-0 4 * * 0	www-data	/usr/lib/alternc/sqlbackup.sh -t weekly
+0 5 * * *	alterncpanel	/usr/lib/alternc/sqlbackup.sh -t daily
+0 4 * * 0	alterncpanel	/usr/lib/alternc/sqlbackup.sh -t weekly
 
 # Every 5 minutes, spool waiting domain changes
 */5 * * * *	root		/usr/lib/alternc/update_domains.sh
diff --git a/src/compress_logs.sh b/src/compress_logs.sh
index cd4f6dcd..ed2fa948 100644
--- a/src/compress_logs.sh
+++ b/src/compress_logs.sh
@@ -1,5 +1,8 @@
 #! /bin/bash
 
+# How long do we wait before compressing the log ? Default: 2
+DAYS=2
+
 for CONFIG_FILE in \
       /etc/alternc/local.sh \
       /usr/lib/alternc/functions.sh
@@ -10,7 +13,10 @@ for CONFIG_FILE in \
     fi
     . "$CONFIG_FILE"
 done
-$days=2
-#parcourir tous les logs pour trouver ceux qui on plus de 2 jours et en faire un tar.
-find "$ALTERNC_LOC/logs" -not -name '*.gz' -mtime +$days -exec gzip '{}' \;
+
+#FIXME: should be define in local.sh
+ALTERNC_LOGS="$ALTERNC_LOC/logs"
+
+#Compress logs older than XX days
+nice 10 find "$ALTERNC_LOGS" -not -name '*.gz' -mtime +$DAYS -exec gzip '{}' \;
 
diff --git a/src/delete_logs.sh b/src/delete_logs.sh
index 44abd316..b6d38345 100644
--- a/src/delete_logs.sh
+++ b/src/delete_logs.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# How many day do we keep the logs ?
+DAYS=366
+
 for CONFIG_FILE in \
       /etc/alternc/local.sh \
       /usr/lib/alternc/functions.sh
@@ -10,6 +13,8 @@ for CONFIG_FILE in \
     fi
     . "$CONFIG_FILE"
 done
-days=366
-#parcourir tous les logs pour trouver ceux qui on plus de 1 ans et les deletes.
-find "$ALTERNC_LOC/logs" -mtime +$days -exec rm '{}' \;
+
+# FIXME this var should be define in local.sh
+ALTERNC_LOGS="$ALTERNC_LOC/logs"
+
+nice 10 find "$ALTERNC_LOGS" -mtime +$DAYS -delete