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-rw-r--r--includes/form.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/includes/form.inc b/includes/form.inc
index ef0fcdb63..61c2261d6 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -1735,7 +1735,7 @@ function form_process_radios($element) {
'#attributes' => $element['#attributes'],
'#parents' => $element['#parents'],
'#id' => form_clean_id('edit-' . implode('-', $parents_for_id)),
- '#ahah' => $element['#ahah'],
+ '#ahah' => isset($element['#ahah']) ? $element['#ahah'] : NULL,
);
}
}