From 84dfafefa1396c6e9b7e0f4b4356a18b22ecfcdc Mon Sep 17 00:00:00 2001
From: Edward Betts <edward@4angle.com>
Date: Wed, 18 Feb 2026 17:07:40 +0000
Subject: [PATCH] Avoid crash when flight.co2_kg is not set.

---
 templates/macros.html | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/templates/macros.html b/templates/macros.html
index 57b3f44..0ad625d 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -497,7 +497,9 @@ https://www.flightradar24.com/data/flights/{{ flight.airline_detail.iata | lower
                   <span class="text-nowrap"><strong>duration:</strong> {{ flight.duration }}</span>
                 {% endif %}
                 {# <pre>{{ flight | pprint }}</pre> #}
+                {% if flight.co2_kg is not none %}
                 <span class="text-nowrap"><strong>CO₂:</strong> {{ "{:,.1f}".format(flight.co2_kg) }} kg</span>
+                {% endif %}
               {% endif %}
               {% if e.detail.distance %}
                 <span class="text-nowrap"><strong>distance:</strong> {{ format_distance(e.detail.distance) }}</span>