diff --git a/app/Services/TenantService.php b/app/Services/TenantService.php
index 2c0b2da..6802546 100644
--- a/app/Services/TenantService.php
+++ b/app/Services/TenantService.php
@@ -154,6 +154,20 @@ public function generateTenantCode(string $tenantName): string
      */
     public static function getTenants(array $params = [])
     {
+        $tenantId = $params['tenant_id'] ?? app('tenant_id');
+
+        if (!$tenantId) {
+            // 현재 사용자 기본 테넌트 조회
+            $apiUser = app('api_user');
+            $userTenant = UserTenant::where('user_id', $apiUser)
+                ->where('is_default', 1)
+                ->first();
+
+            if (!$userTenant) {
+                return ['error' => '활성(기본) 테넌트를 찾을 수 없습니다.', 'code' => 404];
+            }
+            $tenantId = $userTenant->tenant_id;
+        }
 
         $pageNo   = isset($params['page']) ? (int)$params['page'] : 1;
         $pageSize = isset($params['size']) ? (int)$params['size'] : 10;