diff --git a/src/main.js b/src/main.js
index 5077ba033..32fbd4512 100644
--- a/src/main.js
+++ b/src/main.js
@@ -109,6 +109,7 @@ const startWithInputFile = async (inputFile) => {
 
   const config = {
     options: {
+      watchMbtiles: true,
       paths: {
         root: styleDir,
         fonts: 'fonts',