diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index 2bda454..70de83c 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -20,6 +20,8 @@
 * Web server (Nginx, Apache2): ...
 * Web browser and version (Firefox 80, Google Chrome 74, etc): ...
 
+**Please, attach your configuration (config.json)**
+
 ### Steps to reproduce
 
 * ...