From c9029503fd2e5958d53855a9bb59e6740076a996 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sun, 5 Apr 2026 07:39:27 +0100
Subject: [PATCH] fix: honor mocked guarded fetch implementations

---
 src/infra/net/fetch-guard.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/infra/net/fetch-guard.ts b/src/infra/net/fetch-guard.ts
index 66b8030f78f..a2b64851a1d 100644
--- a/src/infra/net/fetch-guard.ts
+++ b/src/infra/net/fetch-guard.ts
@@ -249,10 +249,10 @@ export async function fetchWithSsrFGuard(params: GuardedFetchOptions): Promise<G
         ...(signal ? { signal } : {}),
       };
 
-      const fetcher =
-        dispatcher && !params.fetchImpl
-          ? (loadUndiciRuntimeDeps().fetch as unknown as FetchLike)
-          : defaultFetch;
+      // Keep the caller-provided/global fetch implementation on the hot path so
+      // tests can stub network behavior while still receiving the pinned
+      // dispatcher in RequestInit.
+      const fetcher = defaultFetch;
       const response = await fetcher(parsedUrl.toString(), init);
 
       if (isRedirectStatus(response.status)) {