diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1aebb5e3d..34d5415d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- Fixed `og:image` URL resolving to `localhost` instead of the public domain when the app is deployed behind a reverse proxy. [#908](https://github.com/sourcebot-dev/sourcebot/pull/908)
+
 ## [4.11.3] - 2026-02-19
 
 ### Fixed
diff --git a/packages/web/src/app/layout.tsx b/packages/web/src/app/layout.tsx
index 8af5c3a98..c707f511a 100644
--- a/packages/web/src/app/layout.tsx
+++ b/packages/web/src/app/layout.tsx
@@ -11,6 +11,7 @@ import { PlanProvider } from "@/features/entitlements/planProvider";
 import { getEntitlements } from "@sourcebot/shared";
 
 export const metadata: Metadata = {
+  metadataBase: new URL(env.AUTH_URL),
   // Using the title.template will allow child pages to set the title
   // while keeping a consistent suffix.
   title: {