diff --git a/devel.module b/devel.module
index fa248ebe71827a5c7c56062323ef454c5ece24f0..22fdf5d908d587026b73d6760ef196aea8afb8ef 100644
--- a/devel.module
+++ b/devel.module
@@ -878,9 +878,12 @@ function devel_admin_settings() {
   $form['devel_error_handler'] = array('#type' => 'radios',
     '#title' => t('Error handler'),
     '#default_value' => variable_get('devel_error_handler', DEVEL_ERROR_HANDLER_STANDARD),
-    '#options' => array(DEVEL_ERROR_HANDLER_NONE => t('None'), DEVEL_ERROR_HANDLER_STANDARD => t('Standard drupal'), DEVEL_ERROR_HANDLER_BACKTRACE => t('Backtrace')),
+    '#options' => array(DEVEL_ERROR_HANDLER_NONE => t('None'), DEVEL_ERROR_HANDLER_STANDARD => t('Standard drupal')),
     '#description' => t('Choose an error handler for your site. <em>Backtrace</em> prints nice debug information when an error is noticed, and you !choose. <strong>Backtrace requires the <a href="!krumo">krumo library</a></strong>. <em>None</em> is a good option when stepping through the site in your debugger.', array('!krumo' => url("http://krumo.sourceforge.net"), '!choose' => l(t('choose to show errors on screen'), 'admin/settings/error-reporting'))),
   );
+  if (has_krumo()) {
+    $form['devel_error_handler']['#options'][DEVEL_ERROR_HANDLER_BACKTRACE] = t('Backtrace');
+  }
 
   // Save any old SMTP library
   if (variable_get('smtp_library', '') != '' && variable_get('smtp_library', '') != drupal_get_filename('module', 'devel')) {