diff --git a/src/definitions/ping360.json b/src/definitions/ping360.json
index a2038d07..a7433ae3 100644
--- a/src/definitions/ping360.json
+++ b/src/definitions/ping360.json
@@ -176,6 +176,7 @@
             "transducer": {
                 "id": 2601,
                 "description": "The transducer will apply the commanded settings. The sonar will reply with a `device_data` message. If the `transmit` field is 0, the sonar will not transmit after locating the transducer, and the `data` field in the `device_data` message reply will be empty. If the `transmit` field is 1, the sonar will make an acoustic transmission after locating the transducer, and the resulting data will be uploaded in the `data` field of the `device_data` message reply. To allow for the worst case response time the command timeout should be set to 4000 msec.",
+                "returns_message": "device_data",
                 "payload": [
                     {
                         "name": "mode",