diff --git a/src/Compilers/HandlebarsCompiler.php b/src/Compilers/HandlebarsCompiler.php
index 4abea16..ec378ff 100644
--- a/src/Compilers/HandlebarsCompiler.php
+++ b/src/Compilers/HandlebarsCompiler.php
@@ -26,6 +26,9 @@ class HandlebarsCompiler extends Compiler implements CompilerInterface
     /** @var bool */
     protected $translateRawOutput = true;
 
+    /** @var array */
+    protected $options;
+
     /**
      * Create a new compiler instance.
      *
diff --git a/src/Engines/HandlebarsEngine.php b/src/Engines/HandlebarsEngine.php
index 1fc6f94..3f84622 100644
--- a/src/Engines/HandlebarsEngine.php
+++ b/src/Engines/HandlebarsEngine.php
@@ -28,7 +28,7 @@ public function get($path, array $data = array())
         $compiled = $this->compiler->getCompiledPath($path, $raw);
 
         // convert objects to arrays
-        $data = array_map('self::convertObjectToArray', $data);
+        $data = array_map([$this, 'convertObjectToArray'], $data);
 
         // Once we have the path to the compiled file, we will evaluate the paths with
         // typical PHP just like any other templates. We also keep a stack of views