1 files changed, 8 insertions, 4 deletions
diff --git a/src/drivers/gps/gps_helper.h b/src/drivers/gps/gps_helper.h
index cfb9e0d43..3623397b2 100644
--- a/src/drivers/gps/gps_helper.h
+++ b/src/drivers/gps/gps_helper.h
@@ -46,20 +46,24 @@
 class GPS_Helper
 {
 public:
+
+	GPS_Helper() {};
+	virtual ~GPS_Helper() {};
+
 	virtual int			configure(unsigned &baud) = 0;
 	virtual int 			receive(unsigned timeout) = 0;
 	int 				set_baudrate(const int &fd, unsigned baud);
 	float				get_position_update_rate();
 	float				get_velocity_update_rate();
-	float				reset_update_rates();
-	float				store_update_rates();
+	void				reset_update_rates();
+	void				store_update_rates();
 
 protected:
 	uint8_t _rate_count_lat_lon;
 	uint8_t _rate_count_vel;
 
-	float _rate_lat_lon;
-	float _rate_vel;
+	float _rate_lat_lon = 0.0f;
+	float _rate_vel = 0.0f;
 
 	uint64_t _interval_rate_start;
 };