diff --git a/code/datums/components/slippery.dm b/code/datums/components/slippery.dm
index de839164f95..b47d4d9bcdb 100644
--- a/code/datums/components/slippery.dm
+++ b/code/datums/components/slippery.dm
@@ -13,7 +13,7 @@
 	/// If parent is an item, this is the person currently holding/wearing the parent (or the parent if no one is holding it)
 	var/mob/living/holder
 	/// Whitelist of item slots the parent can be equipped in that make the holder slippery. If null or empty, it will always make the holder slippery.
-	var/list/slot_whitelist
+	var/list/slot_whitelist = list(ITEM_SLOT_OCLOTHING, ITEM_SLOT_ICLOTHING, ITEM_SLOT_GLOVES, ITEM_SLOT_FEET, ITEM_SLOT_HEAD, ITEM_SLOT_MASK, ITEM_SLOT_BELT, ITEM_SLOT_NECK)
 
 /datum/component/slippery/Initialize(knockdown, lube_flags = NONE, datum/callback/callback, paralyze, force_drop = FALSE, slot_whitelist)
 	src.knockdown_time = max(knockdown, 0)
@@ -21,7 +21,8 @@
 	src.force_drop_items = force_drop
 	src.lube_flags = lube_flags
 	src.callback = callback
-	src.slot_whitelist = slot_whitelist
+	if(slot_whitelist)
+		src.slot_whitelist = slot_whitelist
 	RegisterSignal(parent, COMSIG_MOVABLE_CROSSED, .proc/Slip)
 	if(isitem(parent))
 		holder = parent