diff --git a/locallib.php b/locallib.php
index 28a081e..f377c18 100644
--- a/locallib.php
+++ b/locallib.php
@@ -1438,6 +1438,13 @@ function attforblock_upgrade() {
             WHERE itemmodule = ?";
     $DB->execute($sql, array('attendance', 'attforblock'));
 
+    // Now convert role capabilities to 'attendance'
+    $sql = "UPDATE {role_capabilities}
+            SET capability = REPLACE(capability, ?, ?)
+            WHERE " . $DB->sql_like('capability', '?');
+    $params = array("mod/attforblock:", "mod/attendance:", "mod/attforblock:%");
+    $DB->execute($sql, $params);
+
     // Clear cache for courses with attendances.
     $attendances = $DB->get_recordset('attendance', array(), '', 'course');
     foreach ($attendances as $attendance) {