diff --git a/src/modules/land_detector/RoverLandDetector.cpp b/src/modules/land_detector/RoverLandDetector.cpp
index c835df8f69..c4067c2a9a 100644
--- a/src/modules/land_detector/RoverLandDetector.cpp
+++ b/src/modules/land_detector/RoverLandDetector.cpp
@@ -58,6 +58,10 @@ void RoverLandDetector::_update_topics()
 {
 }
 
+void RoverLandDetector::_update_params()
+{
+}
+
 bool RoverLandDetector::_get_ground_contact_state()
 {
 	return false;
@@ -73,8 +77,9 @@ bool RoverLandDetector::_get_freefall_state()
 	return false;
 }
 
-void RoverLandDetector::_update_params()
+float RoverLandDetector::_get_max_altitude()
 {
+	return 0.0f;
 }
 
 }
diff --git a/src/modules/land_detector/RoverLandDetector.h b/src/modules/land_detector/RoverLandDetector.h
index 2ff3e7739d..cae637ae85 100644
--- a/src/modules/land_detector/RoverLandDetector.h
+++ b/src/modules/land_detector/RoverLandDetector.h
@@ -66,6 +66,8 @@ protected:
 
 	virtual bool _get_freefall_state() override;
 
+	virtual float _get_max_altitude() override;
+
 private:
 };