diff --git a/src/CFPropertyList/CFBinaryPropertyList.php b/src/CFPropertyList/CFBinaryPropertyList.php
index dd78b72..6ed8687 100644
--- a/src/CFPropertyList/CFBinaryPropertyList.php
+++ b/src/CFPropertyList/CFBinaryPropertyList.php
@@ -941,7 +941,7 @@ public function toBinary()
     protected static function binaryStrlen($val)
     {
         for ($i=0; $i<strlen($val); ++$i) {
-            if (ord($val{$i}) >= 128) {
+            if (ord($val[$i]) >= 128) {
                 $val = self::convertCharset($val, 'UTF-8', 'UTF-16BE');
                 return strlen($val);
             }
@@ -965,7 +965,7 @@ public function stringToBinary($val)
             $utf16 = false;
 
             for ($i=0; $i<strlen($val); ++$i) {
-                if (ord($val{$i}) >= 128) {
+                if (ord($val[$i]) >= 128) {
                     $utf16 = true;
                     break;
                 }