diff --git a/mods/ITEMS/mcl_bows/bow.lua b/mods/ITEMS/mcl_bows/bow.lua
index cfbdfb421..aee5545ab 100644
--- a/mods/ITEMS/mcl_bows/bow.lua
+++ b/mods/ITEMS/mcl_bows/bow.lua
@@ -34,7 +34,12 @@ local bow_load = {}
 local bow_index = {}
 
 -- define FOV modifier(s)
-mcl_fovapi.register_modifier("bowcomplete", 0.8, 1, true, false, nil, nil)
+mcl_fovapi.register_modifier({
+	name = "bowcomplete",
+	fov_factor = 0.8,
+	time = 1,
+	is_multiplier = true,
+})
 
 function mcl_bows.shoot_arrow(arrow_item, pos, dir, yaw, shooter, power, damage, is_critical, bow_stack, collectable)
 	local obj = minetest.add_entity({x=pos.x,y=pos.y,z=pos.z}, arrow_item.."_entity")
diff --git a/mods/ITEMS/mcl_spyglass/init.lua b/mods/ITEMS/mcl_spyglass/init.lua
index ab557ebbf..a4ea144e1 100644
--- a/mods/ITEMS/mcl_spyglass/init.lua
+++ b/mods/ITEMS/mcl_spyglass/init.lua
@@ -17,7 +17,13 @@ minetest.register_craft({
 	}
 })
 
-mcl_fovapi.register_modifier("spyglass", 8, 0.1,false, true, nil, nil)
+mcl_fovapi.register_modifier({
+	name = "spyglass",
+	fov_factor = 8,
+	time = 0.1,
+	is_multiplier = false,
+	exclusive = true,
+})
 
 local spyglass_scope = {}