diff --git a/creationRoutesVM.sh b/creationRoutesVM.sh
index 4b65662..bcff2e4 100755
--- a/creationRoutesVM.sh
+++ b/creationRoutesVM.sh
@@ -150,7 +150,7 @@ if [ ${FEED_CACHE} = 1 ]; then
 	CODE_RETOUR_INFOS_RANGES_V6=''
 fi
 
-MAC=$(grep vmbr1 /etc/pve/qemu-server/${VM_ID}.conf | \
+MAC=$(grep 'vmbr1$' /etc/pve/qemu-server/${VM_ID}.conf | \
 	sed -E 's/.*([[:xdigit:]:]{17}).*/\1/')
 
 # Pour chaque subnet V4