diff --git a/code/modules/mining/equipment/wormhole_jaunter.dm b/code/modules/mining/equipment/wormhole_jaunter.dm
index 43cce5904e3..f9a98b01483 100644
--- a/code/modules/mining/equipment/wormhole_jaunter.dm
+++ b/code/modules/mining/equipment/wormhole_jaunter.dm
@@ -11,6 +11,7 @@
 	throw_range = 5
 	origin_tech = "bluespace=2"
 	slot_flags = SLOT_BELT
+	var/emagged = FALSE
 
 /obj/item/wormhole_jaunter/attack_self(mob/user)
 	user.visible_message("<span class='notice'>[user.name] activates the [name]!</span>")
@@ -43,6 +44,7 @@
 		return
 	var/chosen_beacon = pick(L)
 	var/obj/effect/portal/jaunt_tunnel/J = new(get_turf(src), get_turf(chosen_beacon), src, 100)
+	J.emagged = emagged
 	if(adjacent)
 		try_move_adjacent(J)
 	else
@@ -57,12 +59,26 @@
 	else
 		to_chat(user, "[src] is not attached to your belt, preventing it from saving you from the chasm. RIP.</span>")
 
+/obj/item/wormhole_jaunter/emag_act(mob/user)
+	if(!emagged)
+		emagged = TRUE
+		to_chat(user, "<span class='notice'>You emag [src].</span>")
+		var/turf/T = get_turf(src)
+		do_sparks(5, 0, T)
+		playsound(T, "sparks", 50, 1)
+
 /obj/effect/portal/jaunt_tunnel
 	name = "jaunt tunnel"
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "bhole3"
 	desc = "A stable hole in the universe made by a wormhole jaunter. Turbulent doesn't even begin to describe how rough passage through one of these is, but at least it will always get you somewhere near a beacon."
 	failchance = 0
+	var/emagged = FALSE
+
+/obj/effect/portal/jaunt_tunnel/can_teleport(atom/movable/M)
+	if(!emagged && ismegafauna(M))
+		return FALSE
+	return ..()
 
 /obj/effect/portal/jaunt_tunnel/teleport(atom/movable/M)
 	. = ..()