diff --git a/minetestforfun_game/mods/default/nodes.lua b/minetestforfun_game/mods/default/nodes.lua
index 66ed8b4a..105c5d8b 100644
--- a/minetestforfun_game/mods/default/nodes.lua
+++ b/minetestforfun_game/mods/default/nodes.lua
@@ -1076,7 +1076,7 @@ minetest.register_node("default:acid_flowing", {
 	liquid_viscosity = WATER_VISC,
 	damage_per_second = 3,
 	post_effect_color = {a = 120, r = 50, g = 90, b = 30},
-	groups = {water = 3, liquid = 3, puts_out_fire = 1, not_in_creative_inventory = 1},
+	groups = {water = 3, acid = 3, liquid = 3, puts_out_fire = 1, not_in_creative_inventory = 1},
 })
 
 minetest.register_node("default:acid_source", {
@@ -1108,7 +1108,7 @@ minetest.register_node("default:acid_source", {
 	liquid_viscosity = WATER_VISC,
 	damage_per_second = 3,
 	post_effect_color = {a = 120, r = 50, g = 90, b = 30},
-	groups = {water = 3, liquid = 3, puts_out_fire = 1},
+	groups = {water = 3, acid = 3, liquid = 3, puts_out_fire = 1},
 })
 
 minetest.register_node("default:torch", {