diff --git a/renderdoc/serialise/serialiser.cpp b/renderdoc/serialise/serialiser.cpp
index 3857aa2e9..2bedcd956 100644
--- a/renderdoc/serialise/serialiser.cpp
+++ b/renderdoc/serialise/serialiser.cpp
@@ -165,7 +165,7 @@ uint32_t Serialiser<SerialiserMode::Reading>::BeginChunk(uint32_t, uint64_t)
     {
       m_Read->Read(m_ChunkMetadata.timestampMicro);
       if(m_TimerFrequency != 1.0 || m_TimerBase != 0)
-        m_ChunkMetadata.durationMicro =
+        m_ChunkMetadata.timestampMicro =
             int64_t(double(m_ChunkMetadata.timestampMicro - m_TimerBase) / m_TimerFrequency);
     }