diff --git a/rollup.config.js b/rollup.config.js
index b57f2f9..af0f3cb 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -39,7 +39,7 @@ export default {
 
 		// If we're building for production (npm run build
 		// instead of npm run dev), transpile and minify
-		production && buble({ exclude: 'node_modules/**' }),
+		production && buble({ include: ['src/**', 'node_modules/svelte/shared.js'] }),
 		production && uglify()
 	]
 };