diff --git a/src/Clue/Redis/Protocol/Model/MultiBulkReply.php b/src/Clue/Redis/Protocol/Model/MultiBulkReply.php
index 7198dc6..0ec4ed6 100644
--- a/src/Clue/Redis/Protocol/Model/MultiBulkReply.php
+++ b/src/Clue/Redis/Protocol/Model/MultiBulkReply.php
@@ -19,8 +19,11 @@ class MultiBulkReply implements ModelInterface
      * @param array|null $data
      * @throws InvalidArgumentException
      */
-    public function __construct(array $data = null)
+    public function __construct($data = null)
     {
+        if ($data !== null && !is_array($data)) { // manual type check to support legacy PHP < 7.1
+            throw new InvalidArgumentException('Argument #1 ($data) expected array|null');
+        }
         $this->data = $data;
     }
 
diff --git a/tests/Model/MultiBulkReplyTest.php b/tests/Model/MultiBulkReplyTest.php
index ff4a0c3..2c36bc8 100644
--- a/tests/Model/MultiBulkReplyTest.php
+++ b/tests/Model/MultiBulkReplyTest.php
@@ -11,6 +11,12 @@ protected function createModel($value)
         return new MultiBulkReply($value);
     }
 
+    public function testConstructWithInvalidDataThrows()
+    {
+        $this->setExpectedException('InvalidArgumentException', 'Argument #1 ($data) expected array|null');
+        new MultiBulkReply('data');
+    }
+
     public function testEmptyArray()
     {
         $model = $this->createModel(array());