diff --git a/.vite/build.ts b/.vite/build.ts
index e1bc025f4..c2f8f08f5 100644
--- a/.vite/build.ts
+++ b/.vite/build.ts
@@ -67,7 +67,7 @@ export const getBuildConfig = ({ minify, core, watch, entryName }: BuildOptions)
     {
       name,
       format: 'umd',
-      sourcemap: true,
+      sourcemap,
       entryFileNames: `${name}${minify ? '.min' : ''}.js`,
     },
   ];