diff --git a/backend/montage.py b/backend/montage.py
index 941751d..3f2be7c 100644
--- a/backend/montage.py
+++ b/backend/montage.py
@@ -171,7 +171,7 @@ def pdf(name: str) -> bool:
         t = f"Kapitel {k['ord']} – {k['titel']}"
         toc.append(f'<li class="tch"><a href="#{aid}">{html.escape(t)}</a></li>')
         h = md.convert(_vorbereiten(p.read_text())).replace("<h1>", f'<h1 id="{aid}" class="chap">', 1)
-        h = h.replace("border:1px solid #FF0000", "")  # Pygments markiert @-Annotationen in GDScript als Fehler
+        h = re.sub(r"border: ?1px solid #F(?:F0000|00)", "", h)  # Pygments markiert @-Annotationen in GDScript als Fehler
         h = h.replace("border: 1px solid #FF0000", "border: none")
         body.append(f'<section class="chapter">{h}</section>')
         md.reset()