diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 673f069d1b3..def56c5203a 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -728,6 +728,10 @@ class ExtraFields
     		{
     		    $showsize='minwidth400imp';
     		}
+    		elseif ($type == 'boolean')
+    		{
+    		    $showsize='';
+    		}
     		else
     		{
     			if (round($size) < 12)
diff --git a/htdocs/core/tpl/admin_extrafields_view.tpl.php b/htdocs/core/tpl/admin_extrafields_view.tpl.php
index d20184c70b4..2143fc294c7 100644
--- a/htdocs/core/tpl/admin_extrafields_view.tpl.php
+++ b/htdocs/core/tpl/admin_extrafields_view.tpl.php
@@ -34,7 +34,7 @@ print '<br>';
 $extrafields->fetch_name_optionals_label($elementtype);
 
 print '<div class="div-table-responsive">';
-print "<table summary=\"listofattributes\" class=\"noborder\" width=\"100%\">";
+print '<table summary="listofattributes" class="noborder" width="100%">';
 
 print '<tr class="liste_titre">';
 print '<td align="left">'.$langs->trans("Position").'</td>';