diff --git a/src/Mustache/Engine.php b/src/Mustache/Engine.php
index 3aeb923..856d4ef 100644
--- a/src/Mustache/Engine.php
+++ b/src/Mustache/Engine.php
@@ -23,7 +23,7 @@
  */
 class Mustache_Engine
 {
-    const VERSION        = '2.11.0';
+    const VERSION        = '2.11.1';
     const SPEC_VERSION   = '1.1.2';
 
     const PRAGMA_FILTERS      = 'FILTERS';
diff --git a/test/bootstrap.php b/test/bootstrap.php
index 0c3c631..21fc689 100644
--- a/test/bootstrap.php
+++ b/test/bootstrap.php
@@ -56,7 +56,7 @@ class TestStream
      */
     public function stream_stat()
     {
-        return [];
+        return array();
     }
 
     /**
@@ -86,5 +86,6 @@ class TestStream
     }
 }
 
-stream_wrapper_register('test', TestStream::class)
-    || die('Failed to register protocol');
+if (!stream_wrapper_register('test', 'TestStream')) {
+    die('Failed to register protocol');
+}