diff --git a/code/game/shuttle_engines.dm b/code/game/shuttle_engines.dm
index 4fff78d505f..c8a18ca17f7 100644
--- a/code/game/shuttle_engines.dm
+++ b/code/game/shuttle_engines.dm
@@ -7,6 +7,7 @@
 	name = "shuttle"
 	icon = 'icons/turf/shuttle.dmi'
 	resistance_flags = LAVA_PROOF | FIRE_PROOF | ACID_PROOF
+	smoothing_groups = list(SMOOTH_GROUP_SHUTTLE_PARTS)
 	max_integrity = 500
 	armor = list("melee" = 100, "bullet" = 10, "laser" = 10, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 50, "acid" = 70) //default + ignores melee
 	CanAtmosPass = ATMOS_PASS_DENSITY