diff --git a/cooling_lava.lua b/cooling_lava.lua
index b7dd15d..37cbbdc 100644
--- a/cooling_lava.lua
+++ b/cooling_lava.lua
@@ -5,6 +5,8 @@ new_lava_cooling = new_lava_cooling or new_lava_cooling == nil -- default true
 
 if not new_lava_cooling then return end
 
+local falling_obsidian = minetest.setting_getbool("dynamic_liquid_falling_obsidian")
+
 -- The existing cool_lava ABM is hard-coded to respond to water nodes
 -- and overriding node groups doesn't appear to work:
 -- https://github.com/minetest/minetest/issues/5518
@@ -195,7 +197,7 @@ local cool_lava_source = function(pos, node)
 	if obsidian_location ~= nil then
 		minetest.set_node(pos, {name = "air"})
 		minetest.set_node(obsidian_location, {name = "default:obsidian"})
-		if minetest.spawn_falling_node then -- TODO cutting-edge dev function, so check if it exists for the time being. Remove check when 0.4.16 is released.
+		if minetest.spawn_falling_node and falling_obsidian then -- TODO cutting-edge dev function, so check if it exists for the time being. Remove check when 0.4.16 is released.
 			minetest.spawn_falling_node(obsidian_location)
 		end
 	elseif #evaporate_list > 0 then
diff --git a/settingtypes.txt b/settingtypes.txt
index 9830eb2..152d906 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -39,6 +39,11 @@ dynamic_liquid_mapgen_prefill (Mapgen water prefill) bool true
 #lava block or lava seas being paved by a single wandering water block.
 dynamic_liquid_new_lava_cooling (Revised lava cooling) bool true
 
+#When this is enabled, obsidian blocks spawned by lava cooling will fall from
+#their origin point like sand or gravel does. Otherwise, obsidian will still
+#behave the same - this occurs only when it's first created.
+dynamic_liquid_falling_obsidian (Falling obsidian) bool false
+
 [Flow Rates]
 
 #Sets the probability of water flow per block per second.