diff --git a/src/utils/preferences.ts b/src/utils/preferences.ts
index e970898..d620417 100644
--- a/src/utils/preferences.ts
+++ b/src/utils/preferences.ts
@@ -322,7 +322,7 @@ export class Preferences {
             note: '⚠️ ' + t('unexpected-behavior'),
             default: 0,
             min: 0,
-            max: 15,
+            max: 14,
             steps: 1,
             params: {
                 suffix: ' Mb/s',