diff --git a/creationRoutesVM.sh b/creationRoutesVM.sh
index b145ab6..e1fef28 100755
--- a/creationRoutesVM.sh
+++ b/creationRoutesVM.sh
@@ -131,6 +131,11 @@ write_log DEBUG 'Connecting to API'
 RES_AUTHENT=$(${CURL} -X POST --user ${USER_IPAM}:${PASSWORD_IPAM} ${URL}/user/)
 CODE_RETOUR_RES_AUTHENT=$(echo ${RES_AUTHENT} | jq '.code')
 
+if [ $? != 0 ]; then
+	# The IPAM is probably down, simulating 503 HTTP code
+	CODE_RETOUR_RES_AUTHENT=503
+fi
+
 # Si OK, on utilise l'IPAM, sinon on passe par le fichier de cache
 if [ ${CODE_RETOUR_RES_AUTHENT} != 200 ]; then
 	write_log ERROR "Wrong HTTP code from the API: ${CODE_RETOUR_RES_AUTHENT}"