diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index 9266bd2..177688b 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -574,7 +574,7 @@ export const serve_rendered = {
           return res.status(404).send('Out of bounds');
         }
 
-        let tileCenter
+        let tileCenter;
         if (tileSize === 512) {
           tileCenter = mercator_512.ll([((x + 0.5) / (1 << z)) * (tileSize << z),((y + 0.5) / (1 << z)) * (tileSize << z)],z);
         } else {