From 14e29451cfa389b7e3d7aa13319560dfab67176f Mon Sep 17 00:00:00 2001
From: Ivan Ortega Alba <ivanortegaalba@gmail.com>
Date: Fri, 24 Feb 2023 09:18:08 +0100
Subject: [PATCH] Loki ds: Interpolation breaks in Loki queries when no scoped
 vars (#63694)

---
 public/app/plugins/datasource/loki/datasource.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/loki/datasource.ts b/public/app/plugins/datasource/loki/datasource.ts
index 58506f3bc5f..a8d13744399 100644
--- a/public/app/plugins/datasource/loki/datasource.ts
+++ b/public/app/plugins/datasource/loki/datasource.ts
@@ -981,7 +981,7 @@ export class LokiDatasource
   // Used when running queries through backend
   applyTemplateVariables(target: LokiQuery, scopedVars: ScopedVars): LokiQuery {
     // We want to interpolate these variables on backend
-    const { __interval, __interval_ms, ...rest } = scopedVars;
+    const { __interval, __interval_ms, ...rest } = scopedVars || {};
 
     const exprWithAdHoc = this.addAdHocFilters(target.expr);