diff --git a/.changeset/silly-suns-exercise.md b/.changeset/silly-suns-exercise.md
new file mode 100644
index 000000000..677b69245
--- /dev/null
+++ b/.changeset/silly-suns-exercise.md
@@ -0,0 +1,5 @@
+---
+"@solidjs/start": patch
+---
+
+fix: replace defineHandler with defineEventHandler
diff --git a/packages/start/src/server/handler.ts b/packages/start/src/server/handler.ts
index 206bc9e26..27b137681 100644
--- a/packages/start/src/server/handler.ts
+++ b/packages/start/src/server/handler.ts
@@ -1,5 +1,5 @@
 import middleware from "solid-start:middleware";
-import { defineHandler, getCookie, H3, type H3Event, redirect, setCookie } from "h3";
+import { defineEventHandler, getCookie, H3, type H3Event, redirect, setCookie } from "h3";
 import { join } from "pathe";
 import type { JSX } from "solid-js";
 import { sharedConfig } from "solid-js";
@@ -20,7 +20,7 @@ export function createBaseHandler(
   fn: (context: PageEvent) => JSX.Element,
   options: HandlerOptions | ((context: PageEvent) => HandlerOptions | Promise<HandlerOptions>) = {},
 ) {
-  const handler = defineHandler({
+  const handler = defineEventHandler({
     middleware: middleware.length ? middleware.map(decorateMiddleware) : undefined,
     handler: decorateHandler(async (e: H3Event) => {
       const event = getRequestEvent()!;