diff --git a/libraries/AP_GPS/AP_GPS_HIL.h b/libraries/AP_GPS/AP_GPS_HIL.h
index 1b802c6ea4..a396bb5c27 100644
--- a/libraries/AP_GPS/AP_GPS_HIL.h
+++ b/libraries/AP_GPS/AP_GPS_HIL.h
@@ -17,8 +17,8 @@
 class AP_GPS_HIL : public GPS {
 public:
     AP_GPS_HIL(Stream *s);
-    virtual void init(enum GPS_Engine_Setting nav_setting = GPS_ENGINE_NONE);
-    virtual bool read(void);
+    virtual void        init(enum GPS_Engine_Setting nav_setting = GPS_ENGINE_NONE);
+    virtual bool        read(void);
 
     /**
      * Hardware in the loop set function
@@ -30,11 +30,11 @@ public:
      * @param speed_3d - ground speed in meters/second
      * @param altitude - altitude in meters
      */
-    virtual void setHIL(uint32_t time, float latitude, float longitude, float altitude,
-                        float ground_speed, float ground_course, float speed_3d, uint8_t num_sats);
+    virtual void        setHIL(uint32_t time, float latitude, float longitude, float altitude,
+                               float ground_speed, float ground_course, float speed_3d, uint8_t num_sats);
 
 private:
-    bool	_updated;
+    bool        _updated;
 };
 
-#endif	// AP_GPS_HIL_H
+#endif  // AP_GPS_HIL_H