fix

game/engines/default/engine/interface/ActorAI.lua

@@ -190,7 +190,7 @@ function _M:aiSeeTargetPos(target)
 			if LSeen.GCache_x then -- update guess with new random position. Could use util.findFreeGrid here at cost of speed
 				tx = math.floor(LSeen.GCache_x + (tx-LSeen.GCache_x)/2)
 				ty = math.floor(LSeen.GCache_y + (ty-LSeen.GCache_y)/2)
-				if not target:canMove(tx, ty, true) or (tx == self.x and ty == self.y) then -- find a reasonable spot if target can't be at that position
+				if (target.canMove and not target:canMove(tx, ty, true)) or (tx == self.x and ty == self.y) then -- find a reasonable spot if target can't be at that position
 					local nx, ny = util.findFreeGrid(tx, ty, math.max(1, spread), false)
 					if nx then tx, ty = nx, ny end
 				end