diff --git a/libraries/AP_Baro/AP_Baro_SITL.cpp b/libraries/AP_Baro/AP_Baro_SITL.cpp
index 35ac0414d7..d980a764f8 100644
--- a/libraries/AP_Baro/AP_Baro_SITL.cpp
+++ b/libraries/AP_Baro/AP_Baro_SITL.cpp
@@ -11,10 +11,10 @@ extern const AP_HAL::HAL& hal;
   constructor - registers instance at top Baro driver
  */
 AP_Baro_SITL::AP_Baro_SITL(AP_Baro &baro) :
+    _sitl(AP::sitl()),
     _has_sample(false),
     AP_Baro_Backend(baro)
 {
-    _sitl = (SITL::SITL *)AP_Param::find_object("SIM_");
     if (_sitl != nullptr) {
         _instance = _frontend.register_sensor();
 #if APM_BUILD_TYPE(APM_BUILD_ArduSub)