diff --git a/macs.php b/macs.php
index 91f50a5..4693420 100644
--- a/macs.php
+++ b/macs.php
@@ -36,5 +36,9 @@ function translator($mac) {
 
 $macs = macs_get();
 $macs = array_map("translator", $macs);
-echo '["'.implode('", "', $macs).'"]';
+if (count($macs) > 0) {
+ echo '["'.implode('", "', $macs).'"]';
+} else {
+ echo '[]';
+} 
 macs_purge();