diff --git a/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.h b/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.h
index 441d8b5dbf..5f78deff54 100644
--- a/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.h
+++ b/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.h
@@ -26,8 +26,8 @@ public:
     AP_Frsky_SPort_Passthrough(AP_HAL::UARTDriver *port, bool use_external_data, AP_Frsky_Parameters *&frsky_parameters) :
         AP_Frsky_SPort(port),
         AP_RCTelemetry(WFQ_LAST_ITEM),
-        _use_external_data(use_external_data),
-        _frsky_parameters(frsky_parameters)
+        _frsky_parameters(frsky_parameters),
+        _use_external_data(use_external_data)
     {
         singleton = this;
     }