diff --git a/barcodeScanner.php b/barcodeScanner.php
index a3f4a41..8c32a34 100644
--- a/barcodeScanner.php
+++ b/barcodeScanner.php
@@ -69,7 +69,7 @@ function scanner($channel, $port) {
 
     }
     while (1) {
-        $buffer = fgets($fp, 4096); 
+        $buffer = fgets($fp, 4096);
         $rv=explode("\n", $buffer);
         if ($buffer === false) {
             if (!empty($routingTag)) {