diff --git a/tests/SpecTests/DocumentsMatchConstraint.php b/tests/SpecTests/DocumentsMatchConstraint.php
index 26556491a..ff4b0a313 100644
--- a/tests/SpecTests/DocumentsMatchConstraint.php
+++ b/tests/SpecTests/DocumentsMatchConstraint.php
@@ -315,7 +315,7 @@ private function assertEquals(ArrayObject $expected, ArrayObject $actual, $ignor
             }
 
             $expectedType = is_object($expectedValue) ? get_class($expectedValue) : gettype($expectedValue);
-            $actualType = is_object($expectedValue) ? get_class($actualValue) : gettype($actualValue);
+            $actualType = is_object($actualValue) ? get_class($actualValue) : gettype($actualValue);
 
             // Workaround for ObjectComparator printing the whole actual object
             if ($expectedType !== $actualType) {