From baf21ec3cc04980de4ef2ae1be695e0f1be7d995 Mon Sep 17 00:00:00 2001
From: Mike Angell <mike.angell@shopify.com>
Date: Wed, 16 Oct 2019 02:00:06 +1000
Subject: [PATCH] Fix echo tag

---
 lib/liquid/tags/echo.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/liquid/tags/echo.rb b/lib/liquid/tags/echo.rb
index 57b67dad..e82b8cd3 100644
--- a/lib/liquid/tags/echo.rb
+++ b/lib/liquid/tags/echo.rb
@@ -19,7 +19,7 @@ module Liquid
     end
 
     def render(context)
-      @variable.render_to_output_buffer(context, +'')
+      variable&.render_to_output_buffer(context, +'')
     end
   end