diff --git a/init.lua b/init.lua
index d785c2e..6525aee 100644
--- a/init.lua
+++ b/init.lua
@@ -126,14 +126,15 @@ minetest.register_entity(":__builtin:item", {
 			
 			local vec = get_flowing_dir(self)
 			if vec then
+				local v = self.object:getvelocity()
 				if vec and vec.x-p.x > 0 then
-					self.object:setvelocity({x=0.5,y=0,z=0})
+					self.object:setvelocity({x=0.5,y=v.y,z=0})
 				elseif vec and vec.x-p.x < 0 then
-					self.object:setvelocity({x=-0.5,y=0,z=0})
+					self.object:setvelocity({x=-0.5,y=v.y,z=0})
 				elseif vec and vec.z-p.z > 0 then
-					self.object:setvelocity({x=0,y=0,z=0.5})
+					self.object:setvelocity({x=0,y=v.y,z=0.5})
 				elseif vec and vec.z-p.z < 0 then
-					self.object:setvelocity({x=0,y=0,z=-0.5})
+					self.object:setvelocity({x=0,y=v.y,z=-0.5})
 				end
 				self.object:setacceleration({x=0, y=-10, z=0})
 				self.physical_state = true