diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e9c3a86..099c264e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ This file documents all notable changes made to ITFlow.
 - Set default to date to 2035-12-31 as 9999-12-31 and 2999-12-31 broke certain browsers.
 - Update Client PDF Export, add header added company logo.
 - Present Larger clearer Warning about updates on update page.
+- Allow to search by project reference.
 
 ## [25.03.5]
 
diff --git a/projects.php b/projects.php
index b3a9efdd..114179b4 100644
--- a/projects.php
+++ b/projects.php
@@ -48,7 +48,7 @@ $sql_projects = mysqli_query(
     LEFT JOIN clients ON client_id = project_client_id
     LEFT JOIN users ON user_id = project_manager
     WHERE DATE(project_created_at) BETWEEN '$dtf' AND '$dtt'
-    AND (project_name LIKE '%$q%' OR project_description LIKE '%$q%' OR user_name LIKE '%$q%')
+    AND (CONCAT(project_prefix,project_number) LIKE '%$q%' OR project_name LIKE '%$q%' OR project_description LIKE '%$q%' OR user_name LIKE '%$q%')
     AND project_completed_at $status_query
     $project_permission_snippet
     AND project_$archive_query