diff --git a/SamApiLib/Archive.php b/SamApiLib/Archive.php
index 6a6b8d0..b1b2b22 100644
--- a/SamApiLib/Archive.php
+++ b/SamApiLib/Archive.php
@@ -186,8 +186,11 @@ class Archive
 	 */
 	public function createArchiveWithResource ($archiveId, $originatorOwnerOrgRegNumber, $originatorOrgRegNumber, $content, $file_name, $hash, $hashAlgorithm)
 	{
-		$ws_route = " post /digitalSafe/digitalSafe/$originatorOwnerOrgRegNumber/$originatorOrgRegNumber";
-		$url_params = [];
+		$ws_route = " post /digitalSafe/digitalSafe/{originatorOwnerOrgRegNumber}/{originatorOrgRegNumber}";
+		$url_params = [
+			"originatorOwnerOrgRegNumber" => $originatorOwnerOrgRegNumber,
+			"originatorOrgRegNumber" => $originatorOrgRegNumber
+		];
 		$query_params = [];
 		$body_params = [
 			"originatorArchiveId" => $archiveId,
@@ -296,5 +299,4 @@ class Archive
 		list($headers, $body) = $this->sam_api->query($ws_route, $url_params, $query_params, $body_params);
 		return $body;
 	}
-	
-}
+}
\ No newline at end of file