diff --git a/src/Services/SwaggerService.php b/src/Services/SwaggerService.php
index 5c8cf87..85ed1b3 100755
--- a/src/Services/SwaggerService.php
+++ b/src/Services/SwaggerService.php
@@ -646,12 +646,12 @@ public function getConcreteRequest()
         $class = $explodedController[0];
         $method = $explodedController[1];
 
-        $instance = app($class);
-        $route = $this->request->route();
+        if (!method_exists($class, $method)) {
+            return null;
+        }
 
         $parameters = $this->resolveClassMethodDependencies(
-            $route->parametersWithoutNulls(),
-            $instance,
+            app($class),
             $method
         );
 
diff --git a/src/Traits/GetDependenciesTrait.php b/src/Traits/GetDependenciesTrait.php
index 9db9dfe..c0e8715 100644
--- a/src/Traits/GetDependenciesTrait.php
+++ b/src/Traits/GetDependenciesTrait.php
@@ -11,33 +11,22 @@
 
 trait GetDependenciesTrait
 {
-    protected function resolveClassMethodDependencies(array $parameters, $instance, $method)
-    {
-        if (!method_exists($instance, $method)) {
-            return $parameters;
-        }
-
-        return $this->getDependencies(
-            new ReflectionMethod($instance, $method)
-        );
-    }
-
-    public function getDependencies(ReflectionFunctionAbstract $reflector)
+    public function resolveClassMethodDependencies(object $instance, string $method): array
     {
         return array_map(function ($parameter) {
             return $this->transformDependency($parameter);
-        }, $reflector->getParameters());
+        }, (new ReflectionMethod($instance, $method))->getParameters());
     }
 
     protected function transformDependency(ReflectionParameter $parameter)
     {
-        $class = $parameter->getClass();
+        $type = $parameter->getType();
 
-        if (empty($class)) {
+        if (empty($type)) {
             return null;
         }
 
-        return interface_exists($class->name) ? $this->getClassByInterface($class->name) : $class->name;
+        return interface_exists($type->getName()) ? $this->getClassByInterface($type->getName()) : $type->getName();
     }
 
     protected function getClassByInterface($interfaceName)
diff --git a/tests/SwaggerServiceTest.php b/tests/SwaggerServiceTest.php
index 8145bfc..d4faedf 100644
--- a/tests/SwaggerServiceTest.php
+++ b/tests/SwaggerServiceTest.php
@@ -687,7 +687,7 @@ public function testAddDataPostRequestWithObjectParams()
 
     public function testAddDataWithNotExistsMethodOnController()
     {
-        $this->mockDriverGetTmpData($this->getJsonFixture('tmp_data_get_user_request'));
+        $this->mockDriverGetEmptyAndSaveTmpData($this->getJsonFixture('tmp_data_get_user_request_without_request_class'));
 
         $service = app(SwaggerService::class);
 
diff --git a/tests/fixtures/SwaggerServiceTest/tmp_data_get_user_request_without_request_class.json b/tests/fixtures/SwaggerServiceTest/tmp_data_get_user_request_without_request_class.json
new file mode 100644
index 0000000..b5bc231
--- /dev/null
+++ b/tests/fixtures/SwaggerServiceTest/tmp_data_get_user_request_without_request_class.json
@@ -0,0 +1,99 @@
+{
+    "openapi": "3.1.0",
+    "servers": [
+        {
+            "url": "http:\/\/localhost"
+        }
+    ],
+    "paths": {
+        "/users/{id}/assign-role/{role-id}": {
+            "get": {
+                "tags": [
+                    "users"
+                ],
+                "consumes": [],
+                "produces": [
+                    "application/json"
+                ],
+                "parameters": [
+                    {
+                        "in": "path",
+                        "name": "id",
+                        "description": "",
+                        "required": true,
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
+                    {
+                        "in": "path",
+                        "name": "role-id",
+                        "description": "",
+                        "required": true,
+                        "schema": {
+                            "type": "string"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "$ref": "#/components/schemas/getUsers{id}assignRole{roleId}200ResponseObject",
+                                    "type": "object"
+                                },
+                                "example": {
+                                    "id": 2,
+                                    "name": "first_client",
+                                    "likes_count": 23,
+                                    "role": {
+                                        "id": 2,
+                                        "name": "client"
+                                    },
+                                    "type": "reader"
+                                }
+                            }
+                        }
+                    }
+                },
+                "security": [],
+                "description": ""
+            }
+        }
+    },
+    "components": {
+        "schemas": {
+            "getUsers{id}assignRole{roleId}200ResponseObject": {
+                "type": "object",
+                "properties": {
+                    "id": {
+                        "type": "integer"
+                    },
+                    "name": {
+                        "type": "string"
+                    },
+                    "likes_count": {
+                        "type": "integer"
+                    },
+                    "role": {
+                        "type": "array"
+                    },
+                    "type": {
+                        "type": "string"
+                    }
+                }
+            }
+        }
+    },
+    "info": {
+        "description": "This is automatically collected documentation",
+        "version": "0.0.0",
+        "title": "Name of Your Application",
+        "termsOfService": "",
+        "contact": {
+            "email": "your@email.com"
+        }
+    }
+}