diff --git a/.changeset/proud-dryers-act.md b/.changeset/proud-dryers-act.md
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+---
+'@backstage/plugin-techdocs': major
+---
+
+Changed the base URL in addLinkClickListener from window.location.origin to app.baseUrl for improved path handling. This fixes an issue where Backstage, when running on a subpath, was unable to handle non-Backstage URLs of the same origin correctly.