diff --git a/model/include/model/comm_navmsg_bus.h b/model/include/model/comm_navmsg_bus.h
index 281d444970..035d6c6f85 100644
--- a/model/include/model/comm_navmsg_bus.h
+++ b/model/include/model/comm_navmsg_bus.h
@@ -59,7 +59,7 @@ class NavMsgBus : public DriverListener {
   const std::set<std::string>& GetActiveMessages() { return m_active_messages; }
 
   /** Notified without data when new message type(s) are detected. */
-  EventVar NewMessageEvent;
+  EventVar new_msg_event;
 
 private:
   std::mutex m_mutex;
diff --git a/model/src/comm_navmsg_bus.cpp b/model/src/comm_navmsg_bus.cpp
index 9c58df8a8f..9cb6d1adf4 100644
--- a/model/src/comm_navmsg_bus.cpp
+++ b/model/src/comm_navmsg_bus.cpp
@@ -30,7 +30,7 @@ void NavMsgBus::Notify(std::shared_ptr<const NavMsg> msg) {
   {
     std::lock_guard lock(m_mutex);
     if (m_active_messages.find(key) == m_active_messages.end())
-      NewMessageEvent.Notify();
+      new_msg_event.Notify();
     m_active_messages.insert(key);
   }
   Observable(*msg).Notify(msg);