diff --git a/code/modules/research/xenobiology/xenobiology.dm b/code/modules/research/xenobiology/xenobiology.dm
index 60b205c7809..3cf99843ab9 100644
--- a/code/modules/research/xenobiology/xenobiology.dm
+++ b/code/modules/research/xenobiology/xenobiology.dm
@@ -848,10 +848,11 @@
 		var/obj/vehicle/V = C
 		var/datum/component/riding/R = V.GetComponent(/datum/component/riding)
 		if(R)
-			if(R.vehicle_move_delay <= 0 )
+			var/vehicle_speed_mod = round(CONFIG_GET(number/movedelay/run_delay) * 0.85, 0.01)
+			if(R.vehicle_move_delay <= vehicle_speed_mod)
 				to_chat(user, "<span class='warning'>The [C] can't be made any faster!</span>")
 				return ..()
-			R.vehicle_move_delay = 0
+			R.vehicle_move_delay = vehicle_speed_mod
 
 	to_chat(user, "<span class='notice'>You slather the red gunk over the [C], making it faster.</span>")
 	C.remove_atom_colour(WASHABLE_COLOUR_PRIORITY)