diff --git a/src/js_realm.hpp b/src/js_realm.hpp
index a670224c..456abf87 100644
--- a/src/js_realm.hpp
+++ b/src/js_realm.hpp
@@ -120,7 +120,8 @@ class RealmDelegate : public BindingContext {
         arguments[0] = realm_object;
         arguments[1] = Value::from_string(m_context, notification_name);
 
-        for (auto &callback : m_notifications) {
+        std::list<Protected<FunctionType>> notifications_copy(m_notifications);
+        for (auto &callback : notifications_copy) {
             Function<T>::call(m_context, callback, realm_object, 2, arguments);
         }
     }