diff --git a/404.html b/404.html
index a488acf..f00f8a3 100644
--- a/404.html
+++ b/404.html
@@ -91,7 +91,7 @@
             backgroundColor: '#fff',  // default: '#fff'
             buttonColorDark: '#100f2c',  // default: '#100f2c'
             buttonColorLight: '#fff', // default: '#fff'
-            saveInCookies: false, // default: true,
+            saveInCookies: true, // default: true,
             label: '🌓', // default: ''
             autoMatchOsTheme: true // default: true
         }
diff --git a/index.html b/index.html
index c3b5c01..fc21549 100644
--- a/index.html
+++ b/index.html
@@ -111,7 +111,7 @@
             backgroundColor: '#fff',  // default: '#fff'
             buttonColorDark: '#100f2c',  // default: '#100f2c'
             buttonColorLight: '#fff', // default: '#fff'
-            saveInCookies: false, // default: true,
+            saveInCookies: true, // default: true,
             label: '🌓', // default: ''
             autoMatchOsTheme: true // default: true
         }