diff --git a/admin/tool/policy/classes/form/accept_policy.php b/admin/tool/policy/classes/form/accept_policy.php
index 20e358fa457..d385b2b33a9 100644
--- a/admin/tool/policy/classes/form/accept_policy.php
+++ b/admin/tool/policy/classes/form/accept_policy.php
@@ -111,7 +111,7 @@ class accept_policy extends \moodleform {
             }
         }
 
-        $PAGE->requires->js_call_amd('tool_policy/policyactions', 'init', '[data-action="view"]');
+        $PAGE->requires->js_call_amd('tool_policy/policyactions', 'init', ['[data-action="view"]']);
     }
 
     /**