diff --git a/.gitignore b/.gitignore
index 44624cf..4a56258 100644
--- a/.gitignore
+++ b/.gitignore
@@ -133,3 +133,5 @@ dist
 
 # Cloudflare
 .wrangler/
+
+.idea
diff --git a/packages/vike-cloudflare/src/index.ts b/packages/vike-cloudflare/src/index.ts
index 63a835e..5766817 100644
--- a/packages/vike-cloudflare/src/index.ts
+++ b/packages/vike-cloudflare/src/index.ts
@@ -57,6 +57,12 @@ export const pages = (options?: VikeCloudflarePagesOptions): Plugin => {
         return getAsset(options?.server?.kind);
       }
     },
+    config(userConfig) {
+      if (!userConfig.build?.target) {
+        userConfig.build ??= {};
+        userConfig.build.target = 'es2022';   
+      }
+    },
     configResolved: async (config) => {
       resolvedConfig = config;
     },