diff --git a/src/CAN/CanInterface.cpp b/src/CAN/CanInterface.cpp
index be06109e3c..46bf6870f0 100644
--- a/src/CAN/CanInterface.cpp
+++ b/src/CAN/CanInterface.cpp
@@ -1197,6 +1197,7 @@ GCodeResult CanInterface::RemoteDiagnostics(MessageType mt, uint32_t boardAddres
 	{
 		// Request a test report
 		CanMessageGenericConstructor cons(M122P1Params);
+		cons.PopulateFromCommand(gb);
 		return cons.SendAndGetResponse(CanMessageType::testReport, boardAddress, reply);
 	}