From 826d507af11448021155f9e63a9a19bbcba6d042 Mon Sep 17 00:00:00 2001
From: Blaine Jester <blainesworld@gmail.com>
Date: Sun, 5 May 2024 05:36:31 -0700
Subject: [PATCH] Fix bug with CORS options for an array of one item for
 `onCall` (#1563)

---
 CHANGELOG.md              | 1 +
 src/v2/providers/https.ts | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29bb..d9f82ae81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1 @@
+Fix bug with CORS options for an array of one item for `onCall` (#1563)
diff --git a/src/v2/providers/https.ts b/src/v2/providers/https.ts
index 311323f46..f322a0f41 100644
--- a/src/v2/providers/https.ts
+++ b/src/v2/providers/https.ts
@@ -375,7 +375,7 @@ export function onCall<T = any, Return = any | Promise<any>>(
   // on the origin header of the request. If there is only one element in the
   // array, this is unnecessary.
   if (Array.isArray(origin) && origin.length === 1) {
-    origin = origin[1];
+    origin = origin[0];
   }
 
   // onCallHandler sniffs the function length to determine which API to present.