diff --git a/packages/bun-types/bun.d.ts b/packages/bun-types/bun.d.ts
index d8c9402e2871..541d9ea1a705 100644
--- a/packages/bun-types/bun.d.ts
+++ b/packages/bun-types/bun.d.ts
@@ -8421,6 +8421,11 @@ declare module "bun" {
     readonly name: string;
     readonly kind: "exact" | "catch-all" | "optional-catch-all" | "dynamic";
     readonly src: string;
+    /**
+     * Legacy name for {@link MatchedRoute.src} (same value)
+     * @deprecated Use src instead
+     */
+    readonly scriptSrc: string;
   }
 
   /**
diff --git a/test/integration/bun-types/fixture/fsrouter.ts b/test/integration/bun-types/fixture/fsrouter.ts
index d3a13d039c74..1a1dca053d43 100644
--- a/test/integration/bun-types/fixture/fsrouter.ts
+++ b/test/integration/bun-types/fixture/fsrouter.ts
@@ -8,6 +8,9 @@ const router = new FileSystemRouter({
 
 const match = router.match("/");
 expectType<string>(match?.name!);
+// scriptSrc is the runtime's legacy name for src.
+expectType<string>(match?.src!);
+expectType<string>(match?.scriptSrc!);
 expectType<string>(match?.pathname!);
 expectType<Record<string, string>>(match?.query!);
 expectType<Record<string, string>>(match?.params!);