diff --git a/Blimp/Blimp.h b/Blimp/Blimp.h
index f8ca967bd8..2ccc46be85 100644
--- a/Blimp/Blimp.h
+++ b/Blimp/Blimp.h
@@ -123,7 +123,7 @@ private:
     const uint8_t num_flight_modes = 6;
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_SITL
-    SITL::SITL sitl;
+    SITL::SIM sitl;
 #endif
 
     // Arming/Disarming management class
diff --git a/Blimp/Parameters.cpp b/Blimp/Parameters.cpp
index c08effc51c..1aa31bf4a7 100644
--- a/Blimp/Parameters.cpp
+++ b/Blimp/Parameters.cpp
@@ -388,7 +388,7 @@ const AP_Param::Info Blimp::var_info[] = {
 #endif
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_SITL
-    GOBJECT(sitl, "SIM_", SITL::SITL),
+    GOBJECT(sitl, "SIM_", SITL::SIM),
 #endif
 
     // @Group: BARO