diff --git a/code/game/objects/items/mail.dm b/code/game/objects/items/mail.dm
index ff7d32f337..e7a33a3c36 100644
--- a/code/game/objects/items/mail.dm
+++ b/code/game/objects/items/mail.dm
@@ -51,7 +51,7 @@
 
 /obj/item/mail/Initialize()
 	. = ..()
-	RegisterSignal(src, COMSIG_MOVABLE_DISPOSING, .proc/disposal_handling)
+	RegisterSignal(src, COMSIG_MOVABLE_DISPOSING, PROC_REF(disposal_handling))
 	AddElement(/datum/element/item_scaling, 0.5, 1)
 	if(isnull(department_colors))
 		department_colors = list(
diff --git a/code/modules/recycling/sortingmachinery.dm b/code/modules/recycling/sortingmachinery.dm
index ba6b9ede62..24c5ccf000 100644
--- a/code/modules/recycling/sortingmachinery.dm
+++ b/code/modules/recycling/sortingmachinery.dm
@@ -11,7 +11,7 @@
 
 /obj/structure/big_delivery/Initialize()
 	. = ..()
-	RegisterSignal(src, COMSIG_MOVABLE_DISPOSING, .proc/disposal_handling)
+	RegisterSignal(src, COMSIG_MOVABLE_DISPOSING, PROC_REF(disposal_handling))
 
 /obj/structure/big_delivery/interact(mob/user)
 	to_chat(user, "<span class='notice'>You start to unwrap the package...</span>")
@@ -153,7 +153,7 @@
 
 /obj/item/small_delivery/Initialize()
 	. = ..()
-	RegisterSignal(src, COMSIG_MOVABLE_DISPOSING, .proc/disposal_handling)
+	RegisterSignal(src, COMSIG_MOVABLE_DISPOSING, PROC_REF(disposal_handling))
 
 /obj/item/small_delivery/contents_explosion(severity, target, origin)
 	for(var/atom/movable/AM in contents)