diff --git a/src/OpenApiRouteLoader.php b/src/OpenApiRouteLoader.php
index d51de8e..8f057ef 100644
--- a/src/OpenApiRouteLoader.php
+++ b/src/OpenApiRouteLoader.php
@@ -154,8 +154,14 @@ private function createRoute(Operation $operation, string $controller, FormatSuf
         }
         if (self::$openApiUndefined !== $operation->parameters) {
             foreach ($operation->parameters as $parameter) {
-                if ('path' === $parameter->in && self::$openApiUndefined !== $parameter->schema && self::$openApiUndefined !== $parameter->schema->pattern) {
-                    $route->setRequirement($parameter->name, $parameter->schema->pattern);
+                if ('path' === $parameter->in && self::$openApiUndefined !== $parameter->schema) {
+                    if (self::$openApiUndefined !== $parameter->schema->pattern) {
+                        $route->setRequirement($parameter->name, $parameter->schema->pattern);
+                    }
+
+                    if (self::$openApiUndefined !== $parameter->schema->enum) {
+                        $route->setRequirement($parameter->name, implode('|', $parameter->schema->enum));
+                    }
                 }
             }
         }
diff --git a/tests/Attributes/Fixtures/PathParameterPattern/Controller.php b/tests/Attributes/Fixtures/PathParameterPattern/Controller.php
index f62855c..f63fa1f 100644
--- a/tests/Attributes/Fixtures/PathParameterPattern/Controller.php
+++ b/tests/Attributes/Fixtures/PathParameterPattern/Controller.php
@@ -4,34 +4,36 @@
 
 namespace Tobion\OpenApiSymfonyRouting\Tests\Attributes\Fixtures\PathParameterPattern;
 
+use mysql_xdevapi\Schema;
 use OpenApi\Attributes as OAT;
 
 #[OAT\Info(title: "My API", version: "1.0")]
 class Controller
 {
     #[OAT\Get(path: "/foo/{id}")]
-    #[OAT\Parameter(name:"id", in:"path", required:true, schema: new OAT\Schema(type:"string"))]
     #[OAT\Response(response:"200", description:"Success")]
-    public function noPattern(): void
+    public function noPattern(
+        #[OAT\Parameter]string $id
+    ): void
     {
     }
 
     #[OAT\Get(path: "/baz/{id}")]
-    #[OAT\Parameter(name:"id", in:"path", required:true)]
     #[OAT\Response(response:"200", description:"Success")]
-    public function noSchema(): void
+    public function noSchema(
+        #[OAT\Parameter]string $id
+    ): void
     {
     }
 
-    #[OAT\Get(path: "/bar/{id}")]
-    #[OAT\Parameter(
-        name:"id",
-        in:"path",
-        required:true,
-        schema: new OAT\Schema(type:"string", pattern:"^[a-zA-Z0-9]+$")
-    )]
+    #[OAT\Get(path: "/bar/{id}/{type}")]
     #[OAT\Response(response:"200", description:"Success")]
-    public function withPattern(): void
+    public function withPattern(
+        #[OAT\PathParameter(required: true, schema: new OAT\Schema(pattern:"^[a-zA-Z0-9]+$"))]
+        string $id,
+        #[OAT\PathParameter(required: true, schema: new OAT\Schema(enum: ["internal", "external"]))]
+        string $type
+    ): void
     {
     }
 }
diff --git a/tests/Attributes/OpenApiRouteLoaderAttributesTest.php b/tests/Attributes/OpenApiRouteLoaderAttributesTest.php
index 5273feb..d79ab2e 100644
--- a/tests/Attributes/OpenApiRouteLoaderAttributesTest.php
+++ b/tests/Attributes/OpenApiRouteLoaderAttributesTest.php
@@ -95,10 +95,14 @@ public function testPathParameterPattern(): void
             self::FIXTURES_ROUTE_NAME_PREFIX.'pathparameterpattern_noschema',
             (new Route('/baz/{id}'))->setMethods('GET')->setDefault('_controller', PathParameterPatternController::class.'::noSchema')
         );
+
         // OpenAPI needs the param pattern to be anchored (^$) to have the desired effect. Symfony automatically trims those to get a valid full path regex.
         $expectedRoutes->add(
             self::FIXTURES_ROUTE_NAME_PREFIX.'pathparameterpattern_withpattern',
-            (new Route('/bar/{id}'))->setRequirement('id', '^[a-zA-Z0-9]+$')->setMethods('GET')->setDefault('_controller', PathParameterPatternController::class.'::withPattern')
+            (new Route('/bar/{id}/{type}'))
+                ->setRequirement('id', '^[a-zA-Z0-9]+$')
+                ->setRequirement('type', 'internal|external')
+                ->setMethods('GET')->setDefault('_controller', PathParameterPatternController::class.'::withPattern')
         );
 
         self::assertEquals($expectedRoutes, $routes);