From 69260cc13bc723ee49a9c8016f0b6df75f7d07b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20Pardou?=
 <571533+jrmi@users.noreply.github.com>
Date: Tue, 12 May 2026 12:24:35 +0200
Subject: [PATCH] fix: missing data source content for shared elements (#5354)

---
 ...data_source_content_in_collection_element_in_pag.json | 9 +++++++++
 web-frontend/modules/builder/elementTypes.js             | 7 ++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 changelog/entries/unreleased/bug/fix_missing_data_source_content_in_collection_element_in_pag.json

diff --git a/changelog/entries/unreleased/bug/fix_missing_data_source_content_in_collection_element_in_pag.json b/changelog/entries/unreleased/bug/fix_missing_data_source_content_in_collection_element_in_pag.json
new file mode 100644
index 0000000000..cf77244ee5
--- /dev/null
+++ b/changelog/entries/unreleased/bug/fix_missing_data_source_content_in_collection_element_in_pag.json
@@ -0,0 +1,9 @@
+{
+    "type": "bug",
+    "message": "Fix missing data source content in collection element in page headers or footers",
+    "issue_origin": "github",
+    "issue_number": null,
+    "domain": "builder",
+    "bullet_points": [],
+    "created_at": "2026-05-12"
+}
\ No newline at end of file
diff --git a/web-frontend/modules/builder/elementTypes.js b/web-frontend/modules/builder/elementTypes.js
index f9eb2b8181..d76171c1c2 100644
--- a/web-frontend/modules/builder/elementTypes.js
+++ b/web-frontend/modules/builder/elementTypes.js
@@ -904,9 +904,14 @@ export class ElementType extends Registerable {
       recordIndexPath = [0],
     } = applicationContext
 
+    const elementPage =
+      element.page_id === page.id
+        ? page
+        : this.app.$store.getters['page/getById'](builder, element.page_id)
+
     const collectionAncestry = this.getCollectionAncestry({
       element,
-      page,
+      page: elementPage,
       allowSameElement,
     })