diff --git a/src/scripts/backup_nocloud.sh b/src/scripts/backup_nocloud.sh
index 781463e7755bf1a0d8a0c97b7a6498c0c49bdc1a..3c159a0038b0ac4393bf383285f192fae80e93ff 100755
--- a/src/scripts/backup_nocloud.sh
+++ b/src/scripts/backup_nocloud.sh
@@ -260,7 +260,7 @@ do
     ret=$?
     while [ $ret -ne 0 ]
     do
-        if [ `df --output=avail .  | sed 1d` -lt $((1024*1024)) ]
+        if [ `df --output=avail $dest  | sed 1d` -lt $((1024*1024)) ]
         then
             supprimer_anciennes_sauvegardes
             test_and_fail $? "Plus d'espace sur le disque et pas d'ancienne sauvegarde a supprimer"