diff --git a/camera/hal/adapter/platform/v4l2/src/device_manager/sensor_controller.cpp b/camera/hal/adapter/platform/v4l2/src/device_manager/sensor_controller.cpp
index b82b8fb395a8ae402c4ba064fb279fd2b13c0fdb..3b61f0baf8f7f4579203fe3d4137ab920ef1e324 100644
--- a/camera/hal/adapter/platform/v4l2/src/device_manager/sensor_controller.cpp
+++ b/camera/hal/adapter/platform/v4l2/src/device_manager/sensor_controller.cpp
@@ -147,7 +147,7 @@ void SensorController::BufferCallback(std::shared_ptr<FrameSpec> buffer)
     constexpr uint32_t UNIT_COUNT = 1000;
     struct timeval tv;
     gettimeofday(&tv, NULL);
-    int64_t timestamp = static_cast<uint64_t>(tv.tv_sec) * UNIT_COUNT * UNIT_COUNT + tv.tv_usec;
+    int64_t timestamp = static_cast<uint64_t>(tv.tv_sec) * UNIT_COUNT * UNIT_COUNT * UNIT_COUNT + tv.tv_usec;
     buffer->buffer_->SetEsTimestamp(timestamp);
     nodeBufferCb_(buffer);
 }