diff --git a/backend/internal/services/admin_service.go b/backend/internal/services/admin_service.go
index 045200c..1ca452b 100644
--- a/backend/internal/services/admin_service.go
+++ b/backend/internal/services/admin_service.go
@@ -96,7 +96,7 @@ func (s *AdminService) ListUsers(ctx context.Context, page, limit int, companyID
 	countQuery := `SELECT COUNT(*) FROM users`
 	var countArgs []interface{}
 	if companyID != nil && *companyID != "" {
-		countQuery += ` WHERE company_id = $1`
+		countQuery += ` WHERE tenant_id = $1`
 		countArgs = append(countArgs, *companyID)
 	}
 	var total int
@@ -111,7 +111,7 @@ func (s *AdminService) ListUsers(ctx context.Context, page, limit int, companyID
 	`
 	var args []interface{}
 	if companyID != nil && *companyID != "" {
-		query += ` WHERE company_id = $1`
+		query += ` WHERE tenant_id = $1`
 		args = append(args, *companyID)
 	}
 	query += ` ORDER BY created_at DESC`