diff --git a/basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css b/basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css
index a708346249d6f9153b267f6fcc2d9ed3e46af210..f6cd4dec88238cc39d51966c7bf41b9cf066b7d9 100644
--- a/basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css
+++ b/basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css
@@ -258,6 +258,8 @@ footer .inner-wrap {
     display: inline-block;
     vertical-align: middle;
     flex: 0 0 auto;
+    display: flex;
+    flex-direction: column;
 }
 .footer__section:last-child{
     flex: 0 1 auto;
@@ -313,9 +315,7 @@ footer .inner-wrap {
 .footer__section ul .nav-link {
     padding:0px;
 }
-.footer__section:last-child nav+span{
-    position: absolute;
-    bottom: 0;
+.footer__section:last-child span{
     text-align: right;
     font-size: initial;
 }
diff --git a/basetheme_bootstrap/templates/basetheme_bootstrap/basePasteur.html b/basetheme_bootstrap/templates/basetheme_bootstrap/basePasteur.html
index ffada8bb983bc40bdf5bec5c70c6cdf143b708d5..a08343d8492d005b4455f877fe5a943f4ec8d9ac 100644
--- a/basetheme_bootstrap/templates/basetheme_bootstrap/basePasteur.html
+++ b/basetheme_bootstrap/templates/basetheme_bootstrap/basePasteur.html
@@ -36,6 +36,7 @@
         </button>
         <div class="collapse navbar-collapse" id="navbarCollapse">
             <ul class="navbar-nav mr-auto">
+                {% include_if_exists "upper_nav_bar.html"|localize_template "basetheme_bootstrap/upper_nav_bar.example.html" %}
             </ul>
             {% block form_in_nav_bar %}
             <form class="form-inline mt-2 mt-md-0" action="search/" method="post">
@@ -70,9 +71,7 @@
     </nav>
         <div class="header__middle">
             <div class="header__logo-wrapper">
-                <a href="/" title="Accueil" rel="home">
-                    <img src="https://www.pasteur.fr/sites/default/files/logo_institut_pasteur_noir.png" alt="Accueil">
-                </a>
+                <img src="https://www.pasteur.fr/sites/default/files/logo_institut_pasteur_noir.png" alt="Accueil">
             </div>
             <div class="header__nav">
                 <nav class="main-nav" role="navigation">
@@ -145,25 +144,17 @@
                         </nav>
                     </div>
                 </div>
-                <div class="footer__section footer__menu-social">
+                <div class="footer__section">
                     <div class="block block-menu block-menu-menu-footer-menu-social">
                         <nav>
                             <ul>
-                                <li>
-                                    <a class="suivre_pasteur_facebook" href="" target="_blank"></a>
-                                </li>
-                                <li>
-                                    <a class="suivre_pasteur_linkedin" href="" target="_blank"></a>
-                                </li>
-                                <li>
-                                    <a class="suivre_pasteur_twitter" href="" target="_blank"></a>
-                                </li>
+                                {% include_if_exists "credits.html"|localize_template "basetheme_bootstrap/credits.example.html" %}
                             </ul>
                         </nav>
+                    </div>
                     <span class="text-muted float-right">
                         {% include_if_exists "last_update.html"|localize_template "basetheme_bootstrap/last_update.example.html" %}
                     </span>
-                    </div>
                 </div>
             </div>
 </footer>
diff --git a/basetheme_bootstrap/templates/basetheme_bootstrap/credits.example.html b/basetheme_bootstrap/templates/basetheme_bootstrap/credits.example.html
new file mode 100644
index 0000000000000000000000000000000000000000..73b2ac279dd1d9717e0b91cbc56d7bc294f68202
--- /dev/null
+++ b/basetheme_bootstrap/templates/basetheme_bootstrap/credits.example.html
@@ -0,0 +1,4 @@
+{% load basetheme_bootstrap %}
+{% load i18n %}
+<li class="nav-item "><a href="https://www.pasteur.fr/" target="_blank" class="nav-link">{%trans "L'Institut Pasteur"%}</a></li>
+<li class="nav-item "><a href="https://research.pasteur.fr/fr/team/bioinformatics-and-biostatistics-hub/" target="_blank" class="nav-link">{%trans "Bioinformatics and Biostatistics HUB"%}</a></li>
\ No newline at end of file
diff --git a/basetheme_bootstrap/templates/basetheme_bootstrap/upper_nav_bar.example.html b/basetheme_bootstrap/templates/basetheme_bootstrap/upper_nav_bar.example.html
new file mode 100644
index 0000000000000000000000000000000000000000..60d1d1ef053e8e11eb6e25e72a3fcae6b2266dc5
--- /dev/null
+++ b/basetheme_bootstrap/templates/basetheme_bootstrap/upper_nav_bar.example.html
@@ -0,0 +1,2 @@
+{% load i18n %}
+<li class="nav-item "><a href="https://www.pasteur.fr/" target="_blank" class="nav-link">{%trans "L'Institut Pasteur"%}</a></li>
\ No newline at end of file
diff --git a/basetheme_bootstrap/templatetags/basetheme_bootstrap.py b/basetheme_bootstrap/templatetags/basetheme_bootstrap.py
index 199d817726e83225dc9c8b4debdc4628df714d3c..3230434026374d46a326effc670c9ead67347118 100644
--- a/basetheme_bootstrap/templatetags/basetheme_bootstrap.py
+++ b/basetheme_bootstrap/templatetags/basetheme_bootstrap.py
@@ -2,6 +2,7 @@ import logging
 
 from django import template
 from django.conf import settings
+from django.core.cache import cache
 from django.template.base import Token
 from django.template.loader import get_template
 from django.template.loader_tags import do_include
@@ -55,6 +56,7 @@ class IncludeIfExistsNode(template.Node):
         self.template_node = do_include(parser, Token(token.token_type, 'do_include %s' % split_contents[1]))
         self.default_template_name = None
         self.default_template_node = None
+        self.__template_seen=set()
         try:
             self.default_template_name = split_contents[2]
             self.default_template_node = do_include(parser,
@@ -66,13 +68,18 @@ class IncludeIfExistsNode(template.Node):
         try:
             return self.template_node.render(context)
         except template.TemplateDoesNotExist:
-            logger.warning(
-                'Template %s was not found and could not be included.' % self.template_name +
-                (
-                    ('Please see %s to have an example' % self.default_template_name)
-                    if self.default_template_name else ''
+            cache_key = 'Template_not_found_%s' % self.template_name
+            if cache.get(cache_key,   None) is None:
+                cache.set(cache_key, '', None)
+                self.__template_seen.add(self.template_name)
+                print(self.__template_seen)
+                logger.warning(
+                    'Template %s was not found and could not be included.' % self.template_name +
+                    (
+                        ('Please see %s to have an example' % self.default_template_name)
+                        if self.default_template_name else ''
+                    )
                 )
-            )
             if self.default_template_node:
                 return self.default_template_node.render(context)
             return ''
diff --git a/setup.py b/setup.py
index ab97c1d641c5567e94c6ccadaea75fe6072922ba..42db4cd5b09ed51b0b15cea94c5f854835bfbcda 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ readme = open('README.rst').read()
 
 setup(
     name='django-basetheme-bootstrap',
-    version='0.2.11',
+    version='0.2.12',
     description='Django Basetheme Bootstrap',
     long_description=readme,
     author='Bryan Brancotte',