diff --git a/cereal b/cereal
index b1a1afebb8..24a522f6ba 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit b1a1afebb8533a96ff0e8efbba7c10eb47df2af0
+Subproject commit 24a522f6ba47aba12a9baea53020a8323673c79c
diff --git a/system/loggerd/logger.cc b/system/loggerd/logger.cc
index 31b302ffe6..1474552a13 100644
--- a/system/loggerd/logger.cc
+++ b/system/loggerd/logger.cc
@@ -24,9 +24,12 @@
 
 // ***** log metadata *****
 kj::Array<capnp::word> logger_build_init_data() {
+  uint64_t wall_time = nanos_since_epoch();
+
   MessageBuilder msg;
   auto init = msg.initEvent().initInitData();
 
+  init.setWallTimeNanos(wall_time);
   init.setVersion(COMMA_VERSION);
   init.setDirty(!getenv("CLEAN"));
   init.setDeviceType(Hardware::get_device_type());