diff --git a/src/File/Rename.php b/src/File/Rename.php
index 8e885fc3..87f56395 100644
--- a/src/File/Rename.php
+++ b/src/File/Rename.php
@@ -225,7 +225,7 @@ protected function _convertOptions($options)
                     break;
 
                 case 'randomize' :
-                    $files['randomize'] = (boolean) $value;
+                    $files['randomize'] = (bool) $value;
                     break;
 
                 default:
diff --git a/src/File/RenameUpload.php b/src/File/RenameUpload.php
index 4ff4bc05..25a71025 100644
--- a/src/File/RenameUpload.php
+++ b/src/File/RenameUpload.php
@@ -80,7 +80,7 @@ public function getTarget()
      */
     public function setUseUploadName($flag = true)
     {
-        $this->options['use_upload_name'] = (boolean) $flag;
+        $this->options['use_upload_name'] = (bool) $flag;
         return $this;
     }
 
@@ -117,7 +117,7 @@ public function getUseUploadExtension()
      */
     public function setOverwrite($flag = true)
     {
-        $this->options['overwrite'] = (boolean) $flag;
+        $this->options['overwrite'] = (bool) $flag;
         return $this;
     }
 
@@ -135,7 +135,7 @@ public function getOverwrite()
      */
     public function setRandomize($flag = true)
     {
-        $this->options['randomize'] = (boolean) $flag;
+        $this->options['randomize'] = (bool) $flag;
         return $this;
     }