diff --git a/src/Tempest/Support/src/ArrayHelper.php b/src/Tempest/Support/src/ArrayHelper.php
index 855764436..8b0f44b3d 100644
--- a/src/Tempest/Support/src/ArrayHelper.php
+++ b/src/Tempest/Support/src/ArrayHelper.php
@@ -39,6 +39,8 @@ public function __construct(
             $this->array = $input;
         } elseif ($input instanceof self) {
             $this->array = $input->array;
+        } elseif ($input === null) {
+            $this->array = [];
         } else {
             $this->array = [$input];
         }