diff --git a/api.lua b/api.lua
index ebbdbc5..2ba4395 100644
--- a/api.lua
+++ b/api.lua
@@ -6,7 +6,7 @@ local use_cmi = minetest.global_exists("cmi")
 
 mobs = {
 	mod = "redo",
-	version = "20200123",
+	version = "20200207",
 	intllib = S,
 	invis = minetest.global_exists("invisibility") and invisibility or {}
 }
@@ -230,10 +230,11 @@ function mob_class:set_velocity(v)
 
 	local yaw = (self.object:get_yaw() or 0) + self.rotate
 
+	-- set velocity with hard limit of 10
 	self.object:set_velocity({
-		x = (sin(yaw) * -v) + c_x,
-		y = self.object:get_velocity().y,
-		z = (cos(yaw) * v) + c_y
+		x = max(-10, min((sin(yaw) * -v) + c_x, 10)),
+		y = max(-10, min(self.object:get_velocity().y, 10)),
+		z = max(-10, min((cos(yaw) * v) + c_y, 10))
 	})
 end