diff --git a/index.html b/index.html
index 142b6e32..76a8abac 100644
--- a/index.html
+++ b/index.html
@@ -3,6 +3,7 @@
 <head>
   <meta charset="utf-8">
   <title>Maputnik</title>
+  <base href="/maputnik">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="manifest" href="/assets/manifest-a2c5GD_R.json">
   <link rel="icon" href="/assets/favicon-wZ-gSi8V.ico" type="image/x-icon" />
