diff --git a/game/engines/default/engine/interface/ActorAI.lua b/game/engines/default/engine/interface/ActorAI.lua
index 7d8fec7d336801fc6f3b8074f94fabc264dbbc4e..76746304307fb2de1a75c1b61ae329844e710f70 100644
--- a/game/engines/default/engine/interface/ActorAI.lua
+++ b/game/engines/default/engine/interface/ActorAI.lua
@@ -75,7 +75,7 @@ end
 --- Move one step to the given target if possible
 -- This tries the most direct route, if not available it checks sides and always tries to get closer
 function _M:moveDirection(x, y, force)
-	if not self.x or not self.y then return false end
+	if not self.x or not self.y or not x or not y then return false end
 	local l = line.new(self.x, self.y, x, y)
 	local lx, ly = l()
 	if lx and ly then