diff --git a/CHANGELOG.md b/CHANGELOG.md
index a01f950f..93dd100a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## Fixed
 
 - #480: Make the app GDPR - new EU privacy regulations compliant.
+- #485: Make REST API search check with "q" parameter case insensitive. 
 - #489: REST API response headers must use the Content-Type application/json value.
 - #500: Performance optimization in backend calendar page, after the user clicks the insert appointment button.
  
diff --git a/src/engine/Api/V1/Processors/Search.php b/src/engine/Api/V1/Processors/Search.php
index 8f93ef37..bc91a218 100644
--- a/src/engine/Api/V1/Processors/Search.php
+++ b/src/engine/Api/V1/Processors/Search.php
@@ -61,7 +61,7 @@ class Search implements ProcessorsInterface {
         {
             $currentKey = $key;
 
-            if (strpos($value, $needle) !== FALSE || (is_array($value) && self::_recursiveArraySearch($value,
+            if (stripos($value, $needle) !== FALSE || (is_array($value) && self::_recursiveArraySearch($value,
                         $needle) !== FALSE))
             {
                 return $currentKey;