diff --git a/tests/interop/AddressbookCollectionTest.php b/tests/interop/AddressbookCollectionTest.php
index 5666f28..18926af 100644
--- a/tests/interop/AddressbookCollectionTest.php
+++ b/tests/interop/AddressbookCollectionTest.php
@@ -141,6 +141,7 @@ public function testCanCreateWebDavResourceForNonCollection(string $abookname, a
         $this->assertInstanceOf(AddressbookCollection::class, $abook);
         $this->assertArrayHasKey($abookname, self::$insertedCards);
         $cardUri = self::$insertedCards[$abookname]['uri'];
+        $cardUri = TestInfrastructure::normalizeUri($abook, $cardUri);
 
         $resource = WebDavResource::createInstance($cardUri, $abook->getAccount());
         $this->assertSame(WebDavResource::class, get_class($resource));