diff --git a/tests/acceptance/features/bootstrap/Sharing.php b/tests/acceptance/features/bootstrap/Sharing.php
index a14ee88aa926..bc5fbc5450a8 100644
--- a/tests/acceptance/features/bootstrap/Sharing.php
+++ b/tests/acceptance/features/bootstrap/Sharing.php
@@ -1216,7 +1216,7 @@ public function shareFileWithUserUsingTheSharingApi(
 		$user1Actual = $this->getActualUsername($user1);
 		$user2Actual = $this->getActualUsername($user2);
 
-		$path = $this->getSharesEndpointPath("?path=".urlencode($filepath));
+		$path = $this->getSharesEndpointPath("?path=".\urlencode($filepath));
 		$this->response = OcsApiHelper::sendRequest(
 			$this->getBaseUrl(),
 			$user1Actual,