diff --git a/webview-ui/vite.config.ts b/webview-ui/vite.config.ts
index 978a6e5e89a..1209f7b930d 100644
--- a/webview-ui/vite.config.ts
+++ b/webview-ui/vite.config.ts
@@ -33,4 +33,7 @@ export default defineConfig({
 			allowedHeaders: "*",
 		},
 	},
+	define: {
+		"process.platform": JSON.stringify(process.platform),
+	},
 })