diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index d1902bfc3393..7dc92acf3c4f 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -1415,6 +1415,18 @@ void RPiCameraData::unicamBufferDequeue(FrameBuffer *buffer)
 			<< ", timestamp: " << buffer->metadata().timestamp;
 
 	if (stream == &unicam_[Unicam::Image]) {
+		/*
+		 * Record the sensor timestamp in the Request.
+		 *
+		 * \todo The sensor timestamp should be better estimated by
+		 * sampling the V4L2Device::frameStart signal.
+		 */
+		Request *request = requestQueue_.front();
+		ASSERT(request);
+
+		request->metadata().set(controls::SensorTimestamp,
+					buffer->metadata().timestamp);
+
 		/*
 		 * Lookup the sensor controls used for this frame sequence from
 		 * DelayedControl and queue them along with the frame buffer.