diff --git a/src/Sprout.php b/src/Sprout.php
index 486a5ca..7d6ff54 100644
--- a/src/Sprout.php
+++ b/src/Sprout.php
@@ -45,7 +45,7 @@ final class Sprout
     /**
      * @var \Sprout\Support\ResolutionHook|null
      */
-    private ?ResolutionHook $currentHook;
+    private ?ResolutionHook $currentHook = null;
 
     /**
      * Create a new instance
diff --git a/tests/Unit/Http/Resolvers/CookieIdentityResolverTest.php b/tests/Unit/Http/Resolvers/CookieIdentityResolverTest.php
index f59ee1d..2b2e868 100644
--- a/tests/Unit/Http/Resolvers/CookieIdentityResolverTest.php
+++ b/tests/Unit/Http/Resolvers/CookieIdentityResolverTest.php
@@ -163,6 +163,8 @@ public function canResolveFromRequest(): void
                  ->once();
         });
 
+        $resolver->setSprout($this->getSprout($this->mockApp()));
+
         $this->assertSame('my-identifier', $resolver->resolveFromRequest($request, $tenancy));
     }