diff --git a/logging/rtc_event_log/events/rtc_event_dtls_writable_state.cc b/logging/rtc_event_log/events/rtc_event_dtls_writable_state.cc
index 4999e6e690..16c1e7b8e8 100644
--- a/logging/rtc_event_log/events/rtc_event_dtls_writable_state.cc
+++ b/logging/rtc_event_log/events/rtc_event_dtls_writable_state.cc
@@ -19,7 +19,7 @@ RtcEventDtlsWritableState::RtcEventDtlsWritableState(bool writable)
 
 RtcEventDtlsWritableState::RtcEventDtlsWritableState(
     const RtcEventDtlsWritableState& other)
-    : writable_(other.writable_) {}
+    : RtcEvent(other.timestamp_us_), writable_(other.writable_) {}
 
 RtcEventDtlsWritableState::~RtcEventDtlsWritableState() = default;