diff --git modules/trigger/trigger.install modules/trigger/trigger.install
index a9a22bd..071d9b3 100644
--- modules/trigger/trigger.install
+++ modules/trigger/trigger.install
@@ -36,7 +36,7 @@ function trigger_schema() {
       ),
       'op' => array(
         'type' => 'varchar',
-        'length' => 32,
+        'length' => 64,
         'not null' => TRUE,
         'default' => '',
         'description' => 'Primary Key: The specific operation of the hook upon which an action is firing: for example, presave.',
@@ -60,4 +60,12 @@ function trigger_schema() {
   return $schema;
 }
 
+/**
+ * Extend the {trigger_assignments}.op field to 64 characters.
+ */
+function trigger_update_7000() {
+  $ret = array();
+  db_change_field($ret, 'trigger_assignments', 'op', 'op', array('type' => 'varchar', 'length' => 64, 'not null' => TRUE, 'default' => ''));
+  return $ret;
+}