diff --git a/webui/google-api/service/apiUtils.php b/webui/google-api/service/apiUtils.php
index c692ec4e..e8298b41 100644
--- a/webui/google-api/service/apiUtils.php
+++ b/webui/google-api/service/apiUtils.php
@@ -55,7 +55,7 @@ class apiUtils {
     $strlenVar = strlen($str);
     $d = $ret = 0;
     for ($count = 0; $count < $strlenVar; ++ $count) {
-      $ordinalValue = ord($str{$ret});
+      $ordinalValue = ord($str[$ret]);
       switch (true) {
         case (($ordinalValue >= 0x20) && ($ordinalValue <= 0x7F)):
           // characters U-00000000 - U-0000007F (same as ASCII)
@@ -114,4 +114,4 @@ class apiUtils {
     }
     return $normalized;
   }
-}
\ No newline at end of file
+}