diff --git a/app/miniapi/service/CustomerCenter/CustomerCenterService.php b/app/miniapi/service/CustomerCenter/CustomerCenterService.php
index f662049..dc70a87 100644
--- a/app/miniapi/service/CustomerCenter/CustomerCenterService.php
+++ b/app/miniapi/service/CustomerCenter/CustomerCenterService.php
@@ -32,10 +32,12 @@ final class CustomerCenterService
             return '';
         }
 
+        $userUrl = rtrim(trim($userUrl), '/');
+
         $endpoint = preg_replace(
             '#/users/[^/?]+(?:\?.*)?$#i',
             '/customer_center/' . $action,
-            trim($userUrl)
+            $userUrl
         );
 
         return is_string($endpoint) && $endpoint !== $userUrl ? $endpoint : '';
diff --git a/tests/customer_center_proxy_self_check.php b/tests/customer_center_proxy_self_check.php
index 2398188..1e1936a 100644
--- a/tests/customer_center_proxy_self_check.php
+++ b/tests/customer_center_proxy_self_check.php
@@ -24,6 +24,11 @@ customerCenterProxyAssertSame(
     $service->endpoint('https://uniuser.jzvisa.com/home/users/userLogin', 'applications'),
     'The proxy endpoint must stay on the configured unified API host'
 );
+customerCenterProxyAssertSame(
+    'https://uniuser.jzvisa.com/home/customer_center/applicants',
+    $service->endpoint('https://uniuser.jzvisa.com/home/users/userLogin/', 'applicants'),
+    'The proxy endpoint must accept the trailing slash used by the site configuration'
+);
 customerCenterProxyAssertSame(
     '',
     $service->endpoint('https://example.com/unexpected', 'applications'),