diff --git a/.envs/.local/.django b/.envs/.local/.django
index 007f9f7f1..dd617ff70 100755
--- a/.envs/.local/.django
+++ b/.envs/.local/.django
@@ -32,3 +32,6 @@ USE_OPENSEARCH_LOGGING=no
 # OPENSEARCH_LOGGING_HOSTS=http://opensearch:9200
 # OPENSEARCH_LOGGING_ENVIRONMENT=dev
 # OPENSEARCH_LOGGING_LEVEL=INFO
+
+# Link para o site antigo (old.scielo.org) no cabeçalho
+SCIELO_OLD_URL_ENABLED=False
diff --git a/config/settings/base.py b/config/settings/base.py
index ff76189b5..e81ab9332 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -727,6 +727,9 @@
 
 
 # LINK TO OLD SCIELO
+# Habilita/desabilita a exibição do link para o site antigo no cabeçalho
+SCIELO_OLD_URL_ENABLED = env.bool("SCIELO_OLD_URL_ENABLED", default=False)
+# Deve começar com http:// ou https://; o texto do link é a URL sem o protocolo
 SCIELO_OLD_URL = env.str("SCIELO_OLD_URL", default="http://old.scielo.org/")
 
 # Score mínimo (percentual_score) para considerar um candidato de PidProviderXML como aprovado
diff --git a/core/home/models.py b/core/home/models.py
index cce3f8053..09c707800 100755
--- a/core/home/models.py
+++ b/core/home/models.py
@@ -1,3 +1,5 @@
+from urllib.parse import urlparse
+
 from django.conf import settings
 from django.db import models
 from django.db.models import Prefetch, Q
@@ -74,10 +76,29 @@ def default_journal_filter(search_term, starts_with_letter, active_or_discontinu
 
 def _default_context(context):
     context["social_networks"] = get_social_networks("scl")
-    context["old_scielo_url"] = settings.SCIELO_OLD_URL
+    context["old_scielo_link"] = get_old_scielo_link()
     context["page_about"] = get_page_about()
 
 
+def get_old_scielo_link():
+    """
+    Retorna o link para o site antigo como {"url": ..., "label": ...},
+    ou None se o link estiver desabilitado (SCIELO_OLD_URL_ENABLED=False).
+    SCIELO_OLD_URL deve começar com http:// ou https://; caso contrário,
+    usa o valor padrão. O label é a URL sem o protocolo.
+    """
+    if not getattr(settings, "SCIELO_OLD_URL_ENABLED", True):
+        return None
+
+    default_url = "http://old.scielo.org/"
+    url = (getattr(settings, "SCIELO_OLD_URL", None) or "").strip()
+    if urlparse(url).scheme not in ("http", "https"):
+        url = default_url
+
+    label = url.split("://", 1)[1].rstrip("/")
+    return {"url": url, "label": label}
+
+
 def get_page_about():
     try:
         locale = _get_current_locale()
diff --git a/core/templates/home/scieloorg/header.html b/core/templates/home/scieloorg/header.html
index 40b09a12a..dd4da5da7 100644
--- a/core/templates/home/scieloorg/header.html
+++ b/core/templates/home/scieloorg/header.html
@@ -6,13 +6,15 @@
     <div class="container">
         <div class="row p-4">
             <div class="col d-flex align-items-center">
+                {% if old_scielo_link %}
                 <ul class="list-unstyled d-flex align-items-center gap-2 mb-0">
                     <li>
-                        <a href="{{old_scielo_url}}" target="_blank">
-                            old.scielo.org
+                        <a href="{{ old_scielo_link.url }}" target="_blank">
+                            {{ old_scielo_link.label }}
                         </a>
                     </li>
                 </ul>
+                {% endif %}
             </div>
             <div class="col d-flex justify-content-end align-items-center">
                 <ul class="list-unstyled d-flex align-items-center gap-2 mb-0">