diff --git a/vite.config.mts b/vite.config.mts
index 785008951..192b20409 100644
--- a/vite.config.mts
+++ b/vite.config.mts
@@ -162,6 +162,6 @@ export default defineConfig({
   },
 
   define: {
-    OS_PLATFORM: '"unknown"',
+    OS_PLATFORM: `"${process.platform}"`,
   },
 });