diff --git a/livecoverage.module b/livecoverage.module
index e1774b6..dc9a654 100644
--- a/livecoverage.module
+++ b/livecoverage.module
@@ -335,7 +335,7 @@ function livecoverage_nodeapi(&$node, $op, $a3, $a4) {
  * using hook_nodeapi().
  */
 function livecoverage_form_alter($form, &$form_state, $form_id) {
-  if ($form_id = 'node_form') {
+  if ($form_id == 'node_form') {
     if ($form['#node']->livecoverage) {
       $form['livecoverage'] = array(
         '#type' => 'value',