diff --git a/scripts/combine.js b/scripts/combine.js
index 7b04eb8..e938bf6 100644
--- a/scripts/combine.js
+++ b/scripts/combine.js
@@ -23,7 +23,7 @@ const SOURCE_DIR = path.join(HOMEBREW_DIR, project);
 const importSource = importSourceFactory(SOURCE_DIR);
 
 const meta = importSource("meta.json");
-meta._meta.dateLastModified = parseInt(Date.now()/1000);
+meta._meta.dateLastModified = parseInt((Date.now()/1000).toString());
 
 const sources = fs.readdirSync(SOURCE_DIR, {
     withFileTypes: true,
@@ -60,4 +60,4 @@ if (fs.existsSync(outFile)) {
     fs.unlinkSync(outFile);
 }
 
-fs.writeFileSync(outFile, JSON.stringify(homebrew, null, 4), { encoding: "utf-8"});
\ No newline at end of file
+fs.writeFileSync(outFile, JSON.stringify(homebrew, null, 4), { encoding: "utf-8"});