From b0a99c220f334a03db7916e9689cbfdedc7d5c01 Mon Sep 17 00:00:00 2001
From: Grayson Adams <51373669+GraysonCAdams@users.noreply.github.com>
Date: Thu, 6 Mar 2025 22:14:44 -0600
Subject: [PATCH] Update filter_rule.rb

---
 lib/ical_filter_proxy/filter_rule.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/ical_filter_proxy/filter_rule.rb b/lib/ical_filter_proxy/filter_rule.rb
index c464930..ea67381 100644
--- a/lib/ical_filter_proxy/filter_rule.rb
+++ b/lib/ical_filter_proxy/filter_rule.rb
@@ -13,6 +13,8 @@ def initialize(field, operator, values)
 
     def match_event?(filterable_event)
       event_data = filterable_event.send(field.to_sym)
+      return false if event_data.nil?  # Check if event_data is null
+    
       negation ^ evaluate(event_data, values)
     end