diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index e4f6ec7bbcb..7a69172889e 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5760,7 +5760,7 @@ class Form
         $disabled = ($disabled ? ' disabled' : '');
 
         $resultyesno = '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.$disabled.'>'."\n";
-        if ($useempty) $resultyesno .= '<option value="-1"'.(($value < 0)?' selected':'').'></option>'."\n";
+        if ($useempty) $resultyesno .= '<option value="-1"'.(($value < 0)?' selected':'').'>&nbsp;</option>'."\n";
         if (("$value" == 'yes') || ($value == 1))
         {
             $resultyesno .= '<option value="'.$yes.'" selected>'.$langs->trans("Yes").'</option>'."\n";
diff --git a/htdocs/societe/card.php b/htdocs/societe/card.php
index cb99949407b..d6710f68c92 100644
--- a/htdocs/societe/card.php
+++ b/htdocs/societe/card.php
@@ -582,6 +582,7 @@ if (empty($reshook))
 
                 	if (! empty($backtopage))
                 	{
+                	    if (preg_match('/\?/', $backtopage)) $backtopage.='&socid='.$object->id;
                		    header("Location: ".$backtopage);
                     	exit;
                 	}
@@ -1065,7 +1066,7 @@ else
 	    print '<td class="maxwidthonsmartphone">';
 	    $selected=isset($_POST['client'])?GETPOST('client'):$object->client;
         print '<select class="flat" name="client" id="customerprospect">';
-        if (GETPOST("type") == '') print '<option value="-1"></option>';
+        if (GETPOST("type") == '') print '<option value="-1">&nbsp;</option>';
         if (empty($conf->global->SOCIETE_DISABLE_PROSPECTS)) print '<option value="2"'.($selected==2?' selected':'').'>'.$langs->trans('Prospect').'</option>';
         if (empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTSCUSTOMERS)) print '<option value="3"'.($selected==3?' selected':'').'>'.$langs->trans('ProspectCustomer').'</option>';
         if (empty($conf->global->SOCIETE_DISABLE_CUSTOMERS)) print '<option value="1"'.($selected==1?' selected':'').'>'.$langs->trans('Customer').'</option>';