diff --git a/api.lua b/api.lua
index 73ce39e..3e8bc98 100644
--- a/api.lua
+++ b/api.lua
@@ -355,11 +355,11 @@ function vehicles.object_drive(entity, dtime, def)
 		elseif ctrl.up and not shoots2 and ctrl.aux1 and entity.boost then
 			local new_x=dir.x*(speed*0.2)*math.log(vtimer+0.5)+8*dir.x
 			local new_y=velo.y-gravity/2
-			local new_z=dir.z*(speed*0.2)*math.log(vtimer+0.5)+8*dir.z}
+			local new_z=dir.z*(speed*0.2)*math.log(vtimer+0.5)+8*dir.z
 			if is_watercraft then
 				new_y = 0
 			end
-			entity.object:setvelocity({x=new_x,y=new_y,z=new_z)
+			entity.object:setvelocity({x=new_x,y=new_y,z=new_z})
 			if boost_effect ~= nil then
 			local effect_pos = {x=pos.x-dir.x*2, y=pos.y, z=pos.z-dir.z*2}
 				minetest.add_particlespawner(