diff --git a/debian/alternc.config b/debian/alternc.config
index d930d131..edd58040 100644
--- a/debian/alternc.config
+++ b/debian/alternc.config
@@ -192,7 +192,7 @@ while [ "$QUEST_STATE" != 0 -a "$QUEST_STATE" != 13 ]; do
 
     ALTERNC_HTML="$RET"
     #checking acl and quota activation.
-    MOUNT_POINT=$(df -P ${ALERNC_HTML%/*} | tail -n 1 | awk '{print $6}')
+    MOUNT_POINT=$(df -P ${ALTERNC_HTML%/*} | tail -n 1 | awk '{print $6}')
     aclcheckfile="$ALTERNC_HTML/test-acl"
     touch "$aclcheckfile"
     setfacl -m u:root:rwx "$aclcheckfile" 2>/dev/null || ( echo "Error : ACL aren't activated on $ALTERNC_HTML AlternC can't work without it." ; exit 2)
@@ -205,9 +205,10 @@ while [ "$QUEST_STATE" != 0 -a "$QUEST_STATE" != 13 ]; do
       exit 2
     fi
 
-    quota_activation=$(quotaon -pa 2>/dev/null |grep '^group.*on$' | awk '$4 ~ /^\'$MOUNT_POINT'$/ {print $4}') 
+    quota_activation=$(quota -gA -f $MOUNT_POINT >/dev/null)
+
     
-    if [ -z "$quota_activation" -o "$quota_activation"  != "$MOUNT_POINT" ]; then
+    if [ $? -ne 0 ]; then
         db_get alternc/quotauninstalled
         if [ -z "$RET" ]; then
           db_input critical alternc/quotauninstalled || true