diff --git a/static/prune_zfs_snaphots.sh b/static/prune_zfs_snaphots.sh
index 9e92f811..24418888 100644
--- a/static/prune_zfs_snaphots.sh
+++ b/static/prune_zfs_snaphots.sh
@@ -16,12 +16,12 @@ debug_mode
 # Must be root
 root_check
 
-if [ -d /dev/mapper/ ]
+if [ -d $NCDATA ]
 then
-    if [ "$(df -h /dev/mapper/*--vg-root | awk '{print $5}' | tail -1 | cut -d "%" -f1)" -gt 90 ]
+    if [ "$(df -h ncdata | awk '{print $5}' | tail -1 | cut -d "%" -f1)" -gt 90 ]
     then
         # Notify user
-        # notify_user_gui "Disk space almost full!" "The disk space for /dev/mapper/*--vg-root is almost full. We have automatically deleted ZFS snapshots older than 8 weeks to free up some space. Please check $VMLOGS/zfs_prune.log for the results."
+        # notify_user_gui "Disk space almost full!" "The disk space for ncdata is almost full. We have automatically deleted ZFS snapshots older than 8 weeks to free up some space. Please check $VMLOGS/zfs_prune.log for the results."
         # On screen information
         msg_box "Your disk space is almost full (more than 90%).\n\nTo solve that, we will now delete ZFS snapshots older than 8 weeks to free up some space."
         countdown "To abort, please press CTRL+C within 10 seconds." 10