diff --git a/server/scripts/nas_down.sh b/server/scripts/nas_down.sh
index 3652f7e..3d6a420 100755
--- a/server/scripts/nas_down.sh
+++ b/server/scripts/nas_down.sh
@@ -8,7 +8,7 @@ do
     echo "$CONTAINER_MOUNTS" | grep /mnt/nas
     MATCH=$?
     echo "$MATCH"
-    if $MATCH; then
+    if [ $MATCH == 0 ]; then
         echo "NAS DEPENDENT"
     else
         echo "NOT NAS DEPENDENT"