diff --git a/a_samp.inc b/a_samp.inc
index 93f95ad..22a5dcd 100755
--- a/a_samp.inc
+++ b/a_samp.inc
@@ -335,7 +335,7 @@ forward OnEnterExitModShop(playerid, enterexit, interiorid);
 forward OnVehiclePaintjob(playerid, vehicleid, paintjobid);
 forward OnVehicleRespray(playerid, vehicleid, color1, color2);
 forward OnVehicleDamageStatusUpdate(vehicleid, playerid);
-forward OnUnoccupiedVehicleUpdate(vehicleid, playerid, passenger_seat, Float:new_x, Float:new_y, Float:new_z);
+forward OnUnoccupiedVehicleUpdate(vehicleid, playerid, passenger_seat, Float:new_x, Float:new_y, Float:new_z, Float:vel_x, Float:vel_y, Float:vel_z);
 forward OnPlayerSelectedMenuRow(playerid, row);
 forward OnPlayerExitedMenu(playerid);
 forward OnPlayerInteriorChange(playerid, newinteriorid, oldinteriorid);
@@ -353,6 +353,7 @@ forward OnPlayerClickMap(playerid, Float:fX, Float:fY, Float:fZ);
 forward OnPlayerClickTextDraw(playerid, Text:clickedid);
 forward OnPlayerClickPlayerTextDraw(playerid, PlayerText:playertextid);
 forward OnIncomingConnection(playerid, ip_address[], port);
+forward OnTrailerUpdate(playerid, vehicleid);
 
 #define CLICK_SOURCE_SCOREBOARD		0
 forward OnPlayerClickPlayer(playerid, clickedplayerid, source);