diff --git a/code/modules/cm_marines/altitude_control_console.dm b/code/modules/cm_marines/altitude_control_console.dm
index 7b1fceeb968d..fd31c9de4760 100644
--- a/code/modules/cm_marines/altitude_control_console.dm
+++ b/code/modules/cm_marines/altitude_control_console.dm
@@ -28,6 +28,9 @@ GLOBAL_VAR_INIT(ship_alt, SHIP_ALT_MED)
 	unacidable = TRUE
 	breakable = FALSE
 
+/obj/structure/machinery/computer/altitude_control_console/ex_act()
+	return
+
 /obj/structure/machinery/computer/altitude_control_console/attack_hand()
 	. = ..()
 	if(!skillcheck(usr, SKILL_NAVIGATIONS, SKILL_NAVIGATIONS_TRAINED))
@@ -130,8 +133,7 @@ GLOBAL_VAR_INIT(ship_alt, SHIP_ALT_MED)
 /obj/structure/machinery/computer/altitude_control_console/proc/change_altitude(mob/user, new_altitude)
 	if(GLOB.ship_alt == new_altitude)
 		return
-	else
-		GLOB.ship_alt = new_altitude
+	if(GLOB.ship_alt = new_altitude)
 		TIMER_COOLDOWN_START(src, COOLDOWN_ALTITUDE_CHANGE, 90 SECONDS)
 		for(var/mob/living/carbon/current_mob in GLOB.living_mob_list)
 			if(!is_mainship_level(current_mob.z))