diff --git a/legacy/update b/legacy/update
index 64ac6b8..5975bf9 100755
--- a/legacy/update
+++ b/legacy/update
@@ -61,7 +61,7 @@ check_for_valid_backup_location() {
 }
 
 check_nfs_mount() {
-    if [ $(findmnt -rno SOURCE,TARGET,FSTYPE "$1" | grep -q nfs) -ne 0 ]; then
+    if ! findmnt -rno SOURCE,TARGET,FSTYPE "$1" | grep -q nfs; then
         echo -e "${IYELLOW}$1 is not an active NFS mount.${NO_COLOR}"
         read -p "Do you want to continue without an active NFS mount? [y/N] " input
         case $input in