diff --git a/modular_citadel/code/game/objects/items/balls.dm b/modular_citadel/code/game/objects/items/balls.dm
index 4095a4bb20..79552bff6d 100644
--- a/modular_citadel/code/game/objects/items/balls.dm
+++ b/modular_citadel/code/game/objects/items/balls.dm
@@ -16,7 +16,7 @@
 	righthand_file = 'modular_citadel/icons/mob/inhands/balls_right.dmi'
 	item_state = "tennis_classic"
 	alternate_worn_icon = 'modular_citadel/icons/mob/mouthball.dmi'
-	slot_flags = SLOT_HEAD | SLOT_NECK | SLOT_EARS	//Fluff item, put it wherever you want!
+	slot_flags = ITEM_SLOT_HEAD | ITEM_SLOT_NECK | ITEM_SLOT_EARS	//Fluff item, put it wherever you want!
 	throw_range = 14
 	w_class = WEIGHT_CLASS_SMALL