diff --git a/backend/handlers/validation.js b/backend/handlers/validation.js
index 246e63af9..71bc49d27 100644
--- a/backend/handlers/validation.js
+++ b/backend/handlers/validation.js
@@ -71,7 +71,7 @@ function isTagPresetNameValid(name) {
 
 function isConfigKeyValid(name) {
   if (name === null || name === undefined || name === "") return false;
-  if (name.length > 30) return false;
+  if (name.length > 40) return false;
   return /^[0-9a-zA-Z_.\-#+]+$/.test(name);
 }