diff --git a/.styleci.yml b/.styleci.yml
index 6579232..c0c2d11 100644
--- a/.styleci.yml
+++ b/.styleci.yml
@@ -30,7 +30,6 @@ enabled:
   - ordered_class_elements
   - php_unit_construct
   - php_unit_dedicate_assert
-  - php_unit_dedicate_assert_internal_type
   - php_unit_expectation
   - php_unit_no_expectation_annotation
   - php_unit_set_up_tear_down_visibility
diff --git a/tests/EnumAccessorTest.php b/tests/EnumAccessorTest.php
index c481aab..0c787e0 100644
--- a/tests/EnumAccessorTest.php
+++ b/tests/EnumAccessorTest.php
@@ -116,7 +116,7 @@ public function it_can_still_read_casted_fields()
 
         $this->assertNotNull($order->id);
         $this->assertInstanceOf(\DateTime::class, $order->created_at);
-        $this->assertIsBool($order->is_active);
+        $this->assertInternalType('boolean', $order->is_active);
     }
 
     /**