From e5197107264e19fecead9615308f2a856037cc49 Mon Sep 17 00:00:00 2001
From: oscar-richardson-softwire <oscar.richardson@softwire.com>
Date: Thu, 5 Feb 2026 15:20:07 +0000
Subject: [PATCH] Fix not equals logic

---
 app/models/form.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/models/form.rb b/app/models/form.rb
index e86596288..8370b7dbb 100644
--- a/app/models/form.rb
+++ b/app/models/form.rb
@@ -323,7 +323,12 @@ class Form
         if value.is_a?(Hash) && value.key?("operator")
           operator = value["operator"]
           operand = value["operand"]
-          log[question]&.send(operator, operand)
+
+          if operator == "!=" # This branch is needed as `nil` does not behave as expected with the default logic (`nil&.send("!=", operand)` => `nil` i.e., `false`).
+            log[question] != operand
+          else
+            log[question]&.send(operator, operand)
+          end
         else
           parts = question.split(".")
           log_value = send_chain(parts, log)