diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 1982648b352..deadbbb248c 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -559,7 +559,7 @@ class Form
             else
             {
                 $out.= '<select id="select'.$htmlname.'" class="flat" name="'.$htmlname.'">';
-                if ($showempty) $out.=$out.= '<option value="-1">&nbsp;</option>';
+                if ($showempty) $out.= '<option value="-1">&nbsp;</option>';
                 $num = $this->db->num_rows($resql);
                 $i = 0;
                 if ($num)