diff --git a/code/modules/mob/living/basic/vermin/mouse.dm b/code/modules/mob/living/basic/vermin/mouse.dm
index 3426dcd2ab1..0b3645b3e0f 100644
--- a/code/modules/mob/living/basic/vermin/mouse.dm
+++ b/code/modules/mob/living/basic/vermin/mouse.dm
@@ -57,6 +57,7 @@
 	)
 	AddElement(/datum/element/connect_loc, loc_connections)
 	make_tameable()
+	AddComponent(/datum/component/swarming, 16, 16) //max_x, max_y
 
 /mob/living/basic/mouse/proc/make_tameable()
 	if (tame)