diff --git a/composer.json b/composer.json
index e6f114e..e950e77 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "illuminate/contracts": "11.*|12.*"
     },
     "require-dev": {
-        "orchestra/testbench": "9.*|10.*"
+        "orchestra/testbench": "^9.16|10.*"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Proxy.php b/src/Proxy.php
index 5afc7f4..ebd52a5 100644
--- a/src/Proxy.php
+++ b/src/Proxy.php
@@ -11,6 +11,7 @@
 use Illuminate\Support\Str;
 
 use function app;
+use function array_filter;
 use function array_shift;
 use function is_array;
 use function max;
@@ -159,7 +160,11 @@ protected function retrieveResultsFromCache(string $key): array
             return [$key => null, $this->cache->key => null];
         }
 
-        return $this->repository->getMultiple([$key, $this->cache->key]);
+        $result = $this->repository->getMultiple(array_filter([$key, $this->cache->key]));
+
+        $result[$this->cache->key] ??= null;
+
+        return $result;
     }
 
     /**
diff --git a/tests/ProxyTest.php b/tests/ProxyTest.php
index a13faec..f383f0c 100644
--- a/tests/ProxyTest.php
+++ b/tests/ProxyTest.php
@@ -370,7 +370,7 @@ public function test_uses_custom_time_to_live(): void
         $interval = $now->diffAsCarbonInterval(now());
 
         $repository = $this->mock(Repository::class);
-        $repository->expects('getMultiple')->with([$hash, ''])->times(4)->andReturn(['' => null, $hash => null]);
+        $repository->expects('getMultiple')->with([$hash])->times(4)->andReturn(['' => null, $hash => null]);
         $repository->allows('getStore')->never();
         $repository->expects('put')->with($hash, Mockery::type('array'), null);
         $repository->expects('put')->with($hash, Mockery::type('array'), $seconds);
@@ -560,7 +560,7 @@ public function test_uses_custom_store(): void
         $repository = $this->mock(Repository::class);
         $repository->expects('flexible')->never();
         $repository->expects('put')->with($hash, Mockery::type('array'), 60)->once();
-        $repository->expects('getMultiple')->with([$hash, ''])->times(1)->andReturn(['' => null, $hash => null]);
+        $repository->expects('getMultiple')->with([$hash])->times(1)->andReturn(['' => null, $hash => null]);
 
         $this->mock('cache')->expects('store')->with('test-store')->andReturn($repository);
 
@@ -630,7 +630,7 @@ public function test_doesnt_uses_flexible_caching_if_repository_is_not_flexible(
         $repository = $this->mock(Repository::class);
         $repository->expects('flexible')->never();
         $repository->expects('put')->with($hash, Mockery::type('array'), [5, 300])->once();
-        $repository->expects('getMultiple')->with([$hash, ''])->times(1)->andReturn(['' => null, $hash => null]);
+        $repository->expects('getMultiple')->with([$hash])->times(1)->andReturn(['' => null, $hash => null]);
 
         $this->mock('cache')->expects('store')->with(null)->andReturn($repository);
 
@@ -921,7 +921,7 @@ public function test_base_query_uses_cache_callback(): void
         $repository = $this->mock(Repository::class);
         $repository->expects('flexible')->never();
         $repository->expects('put')->with($hash, Mockery::type('array'), [5, 300])->once();
-        $repository->expects('getMultiple')->with([$hash, ''])->times(1)->andReturn(['' => null, $hash => null]);
+        $repository->expects('getMultiple')->with([$hash])->times(1)->andReturn(['' => null, $hash => null]);
 
         $this->mock('cache')->expects('store')->with(null)->andReturn($repository);