diff --git a/posttemplate/90-one-db b/posttemplate/90-one-db
index f5d5aba..dd2963a 100644
--- a/posttemplate/90-one-db
+++ b/posttemplate/90-one-db
@@ -7,15 +7,35 @@
 
 . /usr/lib/eole/ihm.sh
 
+function clean_backups()
+{
+	file=${1}
+	bcks=($(ls ${file}_*))
+	nbbck=$(expr ${#bcks[@]} - 2)
+
+
+	if [[ ${nbbck} -gt 1 ]]
+	then
+		EchoGras "Cleaning up old backups !"
+		for idx in `seq 0 ${nbbck}`
+		do
+			rm -f ${bcks[${idx}]}
+		done
+	fi
+}
+
 function updateDB()
 {
 	local dbfile='/var/lib/one/one.db'
 	local cmd="onedb"
+	local res=0
 
 	if [[ -f ${dbfile} ]]
 	then
 		$cmd upgrade -f -s ${dbfile}
-		return ${?}
+		res=${?}
+		clean_backups ${dbfile}
+		return ${res}
 	else
 		return 0
 	fi