diff --git a/lib/util/settings.schema.json b/lib/util/settings.schema.json
index 35a85b6cc..67ff3b7ef 100644
--- a/lib/util/settings.schema.json
+++ b/lib/util/settings.schema.json
@@ -345,7 +345,7 @@
           "default": false
         },
         "zigbee_ota_override_index_location": {
-          "type": "string",
+          "type": ["string", "null"],
           "title": "OTA index override file name",
           "requiresRestart": true,
           "description": "Location of override OTA index file",