Index: mollom.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/mollom/mollom.module,v
retrieving revision 1.8
diff -u -p -r1.8 mollom.module
--- mollom.module	28 Dec 2009 14:05:22 -0000	1.8
+++ mollom.module	30 Dec 2009 17:29:40 -0000
@@ -383,7 +383,7 @@ function mollom_form_alter(&$form, &$for
       $weight = 99999;
       foreach (element_children($form) as $key) {
         // Scan the top-level form elements for buttons.
-        if (isset($form[$key]['#type']) && ($form[$key]['#type'] == 'submit' || $form[$key]['#type'] == 'button')) {
+        if (isset($form[$key]['#type']) && in_array($form[$key]['#type'], array('submit', 'button', 'image_button'))) {
           // For each button, slightly increase the weight to allocate room for
           // the CAPTCHA.
           if (isset($form[$key]['#weight'])) {