src/Routing/Routes.php                | 2 +-
 tests/src/Unit/Routing/RoutesTest.php | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Routing/Routes.php b/src/Routing/Routes.php
index e8d435f..7c3c5f7 100644
--- a/src/Routing/Routes.php
+++ b/src/Routing/Routes.php
@@ -81,7 +81,7 @@ class Routes implements ContainerInjectionInterface {
     $collection = new RouteCollection();
 
     $path_prefix = $this->resourceTypeRepository->getPrefixPathSegment();
-    $route_collection = (new Route('/' . $path_prefix, [
+    $route_collection = (new Route($path_prefix, [
       RouteObjectInterface::CONTROLLER_NAME => '\Drupal\jsonapi\Controller\EntryPoint::index',
     ]))
       ->setRequirement('_permission', 'access jsonapi resource list')
diff --git a/tests/src/Unit/Routing/RoutesTest.php b/tests/src/Unit/Routing/RoutesTest.php
index 67f3c1a..de3c6ed 100644
--- a/tests/src/Unit/Routing/RoutesTest.php
+++ b/tests/src/Unit/Routing/RoutesTest.php
@@ -47,7 +47,7 @@ class RoutesTest extends UnitTestCase {
     $type_3->setRelatableResourceTypes([]);
     $resource_type_repository = $this->prophesize(ResourceTypeRepository::class);
     $resource_type_repository->all()->willReturn([$type_1, $type_2, $type_3]);
-    $resource_type_repository->getPathPrefix()->willReturn('jsonapi');
+    $resource_type_repository->getPrefixPathSegment()->willReturn('/jsonapi');
     $container = $this->prophesize(ContainerInterface::class);
     $container->get('jsonapi.resource_type.repository')->willReturn($resource_type_repository->reveal());
     $auth_collector = $this->prophesize(AuthenticationCollectorInterface::class);