diff --git a/frame_serialize/CBORStream2Serializer.cpp b/frame_serialize/CBORStream2Serializer.cpp
index de0abf60..1fc8902d 100644
--- a/frame_serialize/CBORStream2Serializer.cpp
+++ b/frame_serialize/CBORStream2Serializer.cpp
@@ -717,7 +717,7 @@ void CBORStream2Serializer::SerializeImageInternal(CborEncoder &mapEncoder, cons
     CBOR_ENC(mapEncoder, "jf_info", message.jf_info);
     CBOR_ENC(mapEncoder, "receiver_aq_dev_delay", message.receiver_aq_dev_delay);
     CBOR_ENC(mapEncoder, "receiver_free_send_buf", message.receiver_buf_available);
-    CBOR_ENC(mapEncoder, "receiver_buf_in_sending", message.receiver_buf_in_preparation);
+    CBOR_ENC(mapEncoder, "receiver_buf_in_sending", message.receiver_buf_in_sending);
     CBOR_ENC(mapEncoder, "receiver_buf_in_preparation", message.receiver_buf_in_preparation);
     CBOR_ENC(mapEncoder, "storage_cell", message.storage_cell);
     CBOR_ENC(mapEncoder, "saturated_pixel_count", message.saturated_pixel_count);