diff --git a/code/modules/halo/overmap/base_npc_ships.dm b/code/modules/halo/overmap/base_npc_ships.dm
index 1c16eb643e50b..3eebdfd05bf74 100644
--- a/code/modules/halo/overmap/base_npc_ships.dm
+++ b/code/modules/halo/overmap/base_npc_ships.dm
@@ -205,6 +205,9 @@ GLOBAL_LIST_INIT(om_base_sectors, list())
 		return ..()
 
 /obj/effect/overmap/ship/npc_ship/Process()
+	//Let's wait until gametime to do anything.
+	if(ticker.current_state != 3)
+		return
 	//despawn after a while
 	if(world.time >= unload_at && unload_at != 0)
 		lose_to_space()
diff --git a/code/modules/halo/overmap/overmap_effects.dm b/code/modules/halo/overmap/overmap_effects.dm
index fb92df0a0a32c..74ff61ad49810 100644
--- a/code/modules/halo/overmap/overmap_effects.dm
+++ b/code/modules/halo/overmap/overmap_effects.dm
@@ -54,7 +54,7 @@
 /datum/overmap_effect/proc/effect_created()
 
 /datum/overmap_effect/proc/process_effect()
-	if(world.time >= live_until)
+	if(world.time >= live_until || ticker.current_state != 3)
 		return 0
 	return 1
 
@@ -114,7 +114,7 @@
 	if(!.)
 		target.weapon_miss_chance = olddodge
 		return
-	if(prob(GAS_CLOUD_EMP_CHANCE))
+	if(prob(GAS_CLOUD_EMP_CHANCE) && target.map_z)
 		var/turf/emp_center = locate(rand(target.map_bounds[1],target.map_bounds[3]),rand(target.map_bounds[2],target.map_bounds[4]),pick(target.map_z))
 		empulse(emp_center, rand(2, 7), rand(7, 14))
 	return 1