diff --git a/core/oputil/oputil_config.js b/core/oputil/oputil_config.js
index 2e8b0add..dd6fc783 100644
--- a/core/oputil/oputil_config.js
+++ b/core/oputil/oputil_config.js
@@ -257,7 +257,7 @@ function buildNewConfig() {
             return;
         }
 
-        const bn = sanatizeFilename(config.general.boardName).replace(/ /g, '_').toLowerCase();
+        const bn = sanatizeFilename(config.general.boardName).replace(/[^a-z0-9_\-]/ig, '_').toLowerCase();
         const menuFile = `${bn}.hjson`;
         copyFileSyncSilent(
             paths.join(__dirname, '../../config/menu.hjson'),