diff --git a/code/game/objects/items/storage/dufflebags.dm b/code/game/objects/items/storage/dufflebags.dm
index c9c65d5bced..732ed69c530 100644
--- a/code/game/objects/items/storage/dufflebags.dm
+++ b/code/game/objects/items/storage/dufflebags.dm
@@ -22,6 +22,7 @@
 
 /obj/item/storage/backpack/duffelbag/Initialize(mapload)
 	. = ..()
+	slowdown += zip_slowdown
 	set_zipper(TRUE)
 	RegisterSignal(src, COMSIG_SPEED_POTION_APPLIED, PROC_REF(on_speed_potioned))