diff --git a/Tools/Replay/Replay.cpp b/Tools/Replay/Replay.cpp
index 325a89ae33..e73e0e3fd1 100644
--- a/Tools/Replay/Replay.cpp
+++ b/Tools/Replay/Replay.cpp
@@ -78,9 +78,9 @@ const AP_Param::Info ReplayVehicle::var_info[] = {
     // @Path: ../libraries/AP_NavEKF3/AP_NavEKF3.cpp
     GOBJECTN(ekf3, NavEKF3, "EK3_", NavEKF3),
 
-    // @Group: GPS_
+    // @Group: GPS
     // @Path: ../libraries/AP_GPS/AP_GPS.cpp
-    GOBJECT(gps, "GPS_", AP_GPS),
+    GOBJECT(gps, "GPS", AP_GPS),
     
     AP_VAREND
 };