diff --git a/code/game/objects/items/robot/robot_upgrades.dm b/code/game/objects/items/robot/robot_upgrades.dm
index a0b78d8b27..7d2fabf6ca 100644
--- a/code/game/objects/items/robot/robot_upgrades.dm
+++ b/code/game/objects/items/robot/robot_upgrades.dm
@@ -74,7 +74,7 @@
 /obj/item/borg/upgrade/vtec/action(mob/living/silicon/robot/R, user = usr)
 	. = ..()
 	if(.)
-		if(R.speed < 0)
+		if(!R.cansprint)
 			to_chat(R, "<span class='notice'>A VTEC unit is already installed!</span>")
 			to_chat(user, "<span class='notice'>There's no room for another VTEC unit!</span>")
 			return FALSE
@@ -82,11 +82,13 @@
 		//R.speed = -2 // Gotta go fast.
         //Citadel change - makes vtecs give an ability rather than reducing the borg's speed instantly
 		R.AddAbility(new/obj/effect/proc_holder/silicon/cyborg/vtecControl)
+		R.cansprint = 0
 
 /obj/item/borg/upgrade/vtec/deactivate(mob/living/silicon/robot/R, user = usr)
 	. = ..()
 	if (.)
 		R.speed = initial(R.speed)
+		R.cansprint = 1
 
 /obj/item/borg/upgrade/disablercooler
 	name = "cyborg rapid energy blaster cooling module"
diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index 0484e39c1a..74052de4fd 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -112,6 +112,8 @@
 	var/bellyup = 0
 	var/dogborg = FALSE
 
+	var/cansprint = 1
+
 /mob/living/silicon/robot/get_cell()
 	return cell
 
diff --git a/modular_citadel/code/modules/mob/living/silicon/robot/robot_movement.dm b/modular_citadel/code/modules/mob/living/silicon/robot/robot_movement.dm
index 28327cde0e..59630186d1 100644
--- a/modular_citadel/code/modules/mob/living/silicon/robot/robot_movement.dm
+++ b/modular_citadel/code/modules/mob/living/silicon/robot/robot_movement.dm
@@ -14,7 +14,7 @@
 	. += speed
 
 /mob/living/silicon/robot/proc/togglesprint(shutdown = FALSE) //Basically a copypaste of the proc from /mob/living/carbon/human
-	if(!shutdown && (!cell || cell.charge < 25))
+	if(!shutdown && (!cell || cell.charge < 25) || !cansprint)
 		return FALSE
 	sprinting = shutdown ? FALSE : !sprinting
 	if(!resting && canmove)