diff --git a/minetest.conf.example b/minetest.conf.example
index 86eba660..13421c35 100644
--- a/minetest.conf.example
+++ b/minetest.conf.example
@@ -37,6 +37,9 @@
 # Whether lavacooling should be enabled.
 #enable_lavacooling = true
 
+# Whether lava sources are renewable or not.
+#renewable_lava = false
+
 # Whether the stuff in initial_stuff should be given to new players.
 #give_initial_stuff = false
 #initial_stuff = default:pick_steel,default:axe_steel,default:shovel_steel,
diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 915c3766..98887923 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -2406,7 +2406,7 @@ minetest.register_node("default:lava_source", {
 	liquid_alternative_flowing = "default:lava_flowing",
 	liquid_alternative_source = "default:lava_source",
 	liquid_viscosity = 7,
-	liquid_renewable = false,
+	liquid_renewable = minetest.settings:get_bool("renewable_lava") or false,
 	damage_per_second = 4 * 2,
 	post_effect_color = {a = 191, r = 255, g = 64, b = 0},
 	groups = {lava = 3, liquid = 2, igniter = 1},