diff --git a/mods/ITEMS/mcl_potions/functions.lua b/mods/ITEMS/mcl_potions/functions.lua
index 429c177bb..96028bb60 100644
--- a/mods/ITEMS/mcl_potions/functions.lua
+++ b/mods/ITEMS/mcl_potions/functions.lua
@@ -1091,6 +1091,7 @@ function mcl_potions.update_haste_and_fatigue(player)
 		if f_fac ~= 1 then meta:set_float("mcl_potions:fatigue", 1 - f_fac)
 		else meta:set_string("mcl_potions:fatigue", "") end
 		meta:set_tool_capabilities()
+		meta:set_string("groupcaps_hash","")
 		mcl_enchanting.update_groupcaps(item)
 		if h_fac == 0 and f_fac == 1 then
 			player:set_wielded_item(item)
@@ -1399,6 +1400,7 @@ function mcl_potions._reset_haste_fatigue_item_meta(player)
 			meta:set_string("mcl_potions:haste", "")
 			meta:set_string("mcl_potions:fatigue", "")
 			meta:set_tool_capabilities()
+			meta:set_string("groupcaps_hash","")
 			mcl_enchanting.update_groupcaps(item)
 		end
 	end