diff --git a/src/Services/OnOfficeService.php b/src/Services/OnOfficeService.php
index 34649f7..97314b8 100644
--- a/src/Services/OnOfficeService.php
+++ b/src/Services/OnOfficeService.php
@@ -91,7 +91,7 @@ public function retryOnlyOnConnectionError(): bool
      *
      * Read more: https://apidoc.onoffice.de/onoffice-api-request/request-elemente/action/#hmac
      */
-    public function getHmac(OnOfficeAction $actionId, OnOfficeResourceType $resourceType): string
+    public function getHmac(OnOfficeAction $actionId, OnOfficeResourceType|string $resourceType): string
     {
         return base64_encode(
             hash_hmac(
@@ -101,7 +101,9 @@ public function getHmac(OnOfficeAction $actionId, OnOfficeResourceType $resource
                     [
                         'timestamp' => Carbon::now()->timestamp,
                         'token' => $this->getToken(),
-                        'resourcetype' => $resourceType->value,
+                        'resourcetype' => $resourceType instanceof OnOfficeResourceType
+                            ? $resourceType->value
+                            : $resourceType,
                         'actionid' => $actionId->value,
                     ]
                 ),
diff --git a/tests/Repositories/BaseRepositoryTest.php b/tests/Repositories/BaseRepositoryTest.php
index e01c186..9da5b21 100644
--- a/tests/Repositories/BaseRepositoryTest.php
+++ b/tests/Repositories/BaseRepositoryTest.php
@@ -437,6 +437,25 @@
 
         Http::assertSentCount(1);
     });
+
+    it('will call with string as resource type', function (){
+        Http::preventStrayRequests();
+        Http::fake([
+            'https://api.onoffice.de/api/stable/api.php/' => Http::response([
+                'status' => [
+                    'code' => 200,
+                ],
+            ]),
+        ]);
+
+        $builder = new BaseRepository;
+
+        $request = new OnOfficeRequest(OnOfficeAction::Read, 'estate');
+
+        $builder->query()->call($request);
+
+        Http::assertSentCount(1);
+    });
 });
 
 describe('middlewares', function () {
diff --git a/tests/Services/OnOfficeServiceTest.php b/tests/Services/OnOfficeServiceTest.php
index 35517d7..cc286f6 100644
--- a/tests/Services/OnOfficeServiceTest.php
+++ b/tests/Services/OnOfficeServiceTest.php
@@ -337,6 +337,30 @@
         expect($response)->toBeInstanceOf(Collection::class)
             ->toHaveCount(1);
     });
+
+    it('can handle string resource type', function (){
+        Http::preventStrayRequests();
+        Http::fake([
+            '*' => Http::response([
+                'status' => [
+                    'code' => 200,
+                ],
+            ]),
+        ]);
+
+        $onOfficeService = app(OnOfficeService::class);
+
+        $request = new OnOfficeRequest(
+            OnOfficeAction::Get,
+            'estate',
+        );
+
+        $onOfficeService->requestAll(function () use ($request) {
+            return app(OnOfficeService::class)->requestApi($request);
+        }, limit: 1);
+
+        Http::assertSentCount(1);
+    });
 });
 
 describe('requestAllChunked', function () {