diff --git a/api.lua b/api.lua
index 236bf3b..eb697ea 100644
--- a/api.lua
+++ b/api.lua
@@ -8,7 +8,7 @@ local use_cmi = minetest.global_exists("cmi")
 
 mobs = {
 	mod = "redo",
-	version = "20210721",
+	version = "20210722",
 	intllib = S,
 	invis = minetest.global_exists("invisibility") and invisibility or {}
 }
@@ -83,7 +83,7 @@ local aoc_range = tonumber(settings:get("active_block_range")) * 16
 -- pathfinding settings
 local enable_pathfinding = true
 local stuck_timeout = 3 -- how long before stuck mod starts searching
-local stuck_path_timeout = 10 -- how long will mob follow path before giving up
+local stuck_path_timeout = 5 -- how long will mob follow path before giving up
 
 -- default nodes
 local node_fire = "fire:basic_flame"
@@ -1654,6 +1654,8 @@ local can_dig_drop = function(pos)
 	return false
 end
 
+
+local pathfinder_mod = minetest.get_modpath("pathfinder")
 -- path finding and smart mob routine by rnd,
 -- line_of_sight and other edits by Elkien3
 function mob_class:smart_mobs(s, p, dist, dtime)
@@ -1782,13 +1784,18 @@ function mob_class:smart_mobs(s, p, dist, dtime)
 			jumpheight = 1
 		end
 
-		self.path.way = minetest.find_path(s, p1, 16, jumpheight,
-				dropheight, "Dijkstra")
-
+		if pathfinder_mod then
+			self.path.way = pathfinder.find_path(s, p1, self, dtime)
+		else
+			self.path.way = minetest.find_path(s, p1, 16, jumpheight,
+					dropheight, "Dijkstra")
+		end
 --[[
 		-- show path using particles
 		if self.path.way and #self.path.way > 0 then
+
 			print("-- path length:" .. tonumber(#self.path.way))
+
 			for _,pos in pairs(self.path.way) do
 				minetest.add_particle({
 				pos = pos,
diff --git a/depends.txt b/depends.txt
index 2f20802..94516a7 100644
--- a/depends.txt
+++ b/depends.txt
@@ -7,3 +7,4 @@ intllib?
 lucky_block?
 cmi?
 toolranks?
+pathfinder?
diff --git a/mod.conf b/mod.conf
index 31a27ed..6a6180d 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,4 +1,4 @@
 name = mobs
 depends = default
-optional_depends = tnt, dye, farming, invisibility, intllib, lucky_block, cmi, toolranks
+optional_depends = tnt, dye, farming, invisibility, intllib, lucky_block, cmi, toolranks, pathfinder
 description = Adds a mob api for mods to add animals or monsters etc.
diff --git a/readme.MD b/readme.MD
index d646984..2a57731 100644
--- a/readme.MD
+++ b/readme.MD
@@ -23,7 +23,7 @@ Lucky Blocks: 9
 
 
 Changelog:
-- 1.55 - Add 'peaceful_player' privelage and setting so mobs don't attack specific players (thanks sfence)
+- 1.55 - Add 'peaceful_player' privelage and setting so mobs don't attack specific players (thanks sfence), add support for MarkBu's pathfinder mod.
 - 1.54 - Simplified animal breeding function, added editable settings (thanks Wuzzy), Child mobs now take 20 mins to grow up, reverted to simple mob spawning with setting to use area checks, on_flop added, air_damage added.
 - 1.53 - Added 'on_map_load' settings to mobs:spawn so that mobs will only spawn when new areas of map are loaded.
 - 1.52 - Added 'mob_active_limit' in settings to set number of mobs in game,