diff --git a/php-template/template.php b/php-template/template.php
index a0cea5c..af732c1 100644
--- a/php-template/template.php
+++ b/php-template/template.php
@@ -111,7 +111,8 @@ if (isset($config["survey"])) {
 
     <?php
     $groupCandidates = array_filter($candidates, function ($candidate) use ($groupName, $propertyOnCandidate) {
-        return isset($candidate[$propertyOnCandidate]) && $candidate[$propertyOnCandidate] === $groupName;
+        return isset($candidate[$propertyOnCandidate]) && 
+            strtolower($candidate[$propertyOnCandidate]) === strtolower($groupName);
     });
 
     usort($groupCandidates, function($a, $b) {