diff --git a/scripts/ci/update_pr_body.py b/scripts/ci/update_pr_body.py
index caeaa35a17bd..c41b766733fc 100755
--- a/scripts/ci/update_pr_body.py
+++ b/scripts/ci/update_pr_body.py
@@ -54,15 +54,19 @@ def main() -> None:
 
     new_body = pr.body
 
-    docs_preview_link_end = new_body.find(DOCS_PREVIEW_MARKER) + len(DOCS_PREVIEW_MARKER)
-    docs_preview_link_start = new_body.rfind("\n", 0, docs_preview_link_end) + 1
-    new_body = new_body[:docs_preview_link_start] + DOCS_PREVIEW_BARE_LINK + new_body[docs_preview_link_end:]
-
-    examples_preview_link_end = new_body.find(EXAMPLES_PREVIEW_MARKER) + len(EXAMPLES_PREVIEW_MARKER)
-    examples_preview_link_start = new_body.rfind("\n", 0, examples_preview_link_end) + 1
-    new_body = (
-        new_body[:examples_preview_link_start] + EXAMPLES_PREVIEW_BARE_LINK + new_body[examples_preview_link_end:]
-    )
+    docs_preview_link_end = new_body.find(DOCS_PREVIEW_MARKER)
+    if docs_preview_link_end != -1:
+        docs_preview_link_end += len(DOCS_PREVIEW_MARKER)
+        docs_preview_link_start = new_body.rfind("\n", 0, docs_preview_link_end) + 1
+        new_body = new_body[:docs_preview_link_start] + DOCS_PREVIEW_BARE_LINK + new_body[docs_preview_link_end:]
+
+    examples_preview_link_end = new_body.find(EXAMPLES_PREVIEW_MARKER)
+    if examples_preview_link_end != -1:
+        len(EXAMPLES_PREVIEW_MARKER)
+        examples_preview_link_start = new_body.rfind("\n", 0, examples_preview_link_end) + 1
+        new_body = (
+            new_body[:examples_preview_link_start] + EXAMPLES_PREVIEW_BARE_LINK + new_body[examples_preview_link_end:]
+        )
 
     new_body = env.from_string(new_body).render(
         pr={