diff --git a/script/build-esm.js b/script/build-esm.js
index 68b8258..98f7ffb 100755
--- a/script/build-esm.js
+++ b/script/build-esm.js
@@ -7,7 +7,7 @@ const generateMJS = (module) => {
     let text = fs.readFileSync(src, 'utf-8');
 
     replacements.push(
-        [/const (.+?)\s*=\s*require\(\'\.(.+)\'\)/ig, 'import $1 from \'$2.mjs\''],
+        [/const (.+?)\s*=\s*require\(\'\.(.+)\'\)/ig, 'import $1 from \'\.$2.mjs\''],
         [/const (.+?)\s*=\s*require\(\'(.+)\'\)/ig, 'import $1 from \'$2\''],
         [/module\.exports =/ig, 'export']
     );