diff --git a/packages/@n8n/benchmark/src/n8n-api-client/authenticated-n8n-api-client.ts b/packages/@n8n/benchmark/src/n8n-api-client/authenticated-n8n-api-client.ts
index 2555ea8061..7d5a5c18e7 100644
--- a/packages/@n8n/benchmark/src/n8n-api-client/authenticated-n8n-api-client.ts
+++ b/packages/@n8n/benchmark/src/n8n-api-client/authenticated-n8n-api-client.ts
@@ -19,7 +19,10 @@ export class AuthenticatedN8nApiClient extends N8nApiClient {
 	): Promise<AuthenticatedN8nApiClient> {
 		const response = await apiClient.restApiRequest('/login', {
 			method: 'POST',
-			data: loginDetails,
+			data: {
+				emailOrLdapLoginId: loginDetails.email,
+				password: loginDetails.password,
+			},
 		});
 
 		if (response.data === 'n8n is starting up. Please wait') {