diff --git a/form.php b/form.php
index fadb0d8..b7c459a 100644
--- a/form.php
+++ b/form.php
@@ -182,7 +182,12 @@ class form
         $field->values = $values[$field->name];
       if (isset ($errors[$field->name]) &&
           $errors[$field->name] !== "unset")
-        $field->errors = $errors[$field->name];
+      {
+        if (is_array ($errors[$field->name]))
+          $field->errors = $errors[$field->name];
+        else
+          $field->errors = array ("error", $errors[$field->name]);
+      }
       $field->titlewidth = $this->titlewidth;
       $field->fieldwidth = $this->fieldwidth;
       $res .= $field->display ();