diff --git a/htdocs/theme/eldy/style.css.php b/htdocs/theme/eldy/style.css.php
index d00731dce94..b6987ed42cc 100644
--- a/htdocs/theme/eldy/style.css.php
+++ b/htdocs/theme/eldy/style.css.php
@@ -861,7 +861,7 @@ foreach($conf->modules as $val)
 $mainmenuusedarray=array_unique(explode(',',$mainmenuused));
 
 $generic=1;
-$divalreadydefined=array('home','companies','products','commercial','accountancy','project','tools','members','agenda','holiday','bookmark','cashdesk','ecm','geoipmaxmind','gravatar','clicktodial','paypal','webservices');
+$divalreadydefined=array('home','companies','products','commercial','externalsite','accountancy','project','tools','members','agenda','holiday','bookmark','cashdesk','ecm','geoipmaxmind','gravatar','clicktodial','paypal','webservices');
 foreach($mainmenuusedarray as $val)
 {
 	if (empty($val) || in_array($val,$divalreadydefined)) continue;
diff --git a/htdocs/theme/md/style.css.php b/htdocs/theme/md/style.css.php
index 37265b852f4..0db79b5470a 100644
--- a/htdocs/theme/md/style.css.php
+++ b/htdocs/theme/md/style.css.php
@@ -898,7 +898,7 @@ foreach($conf->modules as $val)
 $mainmenuusedarray=array_unique(explode(',',$mainmenuused));
 
 $generic=1;
-$divalreadydefined=array('home','companies','products','commercial','accountancy','project','tools','members','agenda','holiday','bookmark','cashdesk','ecm','geoipmaxmind','gravatar','clicktodial','paypal','webservices');
+$divalreadydefined=array('home','companies','products','commercial','externalsite','accountancy','project','tools','members','agenda','holiday','bookmark','cashdesk','ecm','geoipmaxmind','gravatar','clicktodial','paypal','webservices');
 foreach($mainmenuusedarray as $val)
 {
 	if (empty($val) || in_array($val,$divalreadydefined)) continue;