diff --git a/ArduPlane/Parameters.cpp b/ArduPlane/Parameters.cpp
index bfb4f89264..d643d8b013 100644
--- a/ArduPlane/Parameters.cpp
+++ b/ArduPlane/Parameters.cpp
@@ -1294,12 +1294,12 @@ const AP_Param::GroupInfo ParametersG2::var_info[] = {
 
 ParametersG2::ParametersG2(void) :
     unused_integer{1}
-#if HAL_SOARING_ENABLED
-    ,soaring_controller(plane.TECS_controller, plane.aparm)
-#endif
 #if HAL_BUTTON_ENABLED
     ,button_ptr(&plane.button)
 #endif
+#if HAL_SOARING_ENABLED
+    ,soaring_controller(plane.TECS_controller, plane.aparm)
+#endif
 {
     AP_Param::setup_object_defaults(this, var_info);
 }