diff --git a/technic/machines/register/common.lua b/technic/machines/register/common.lua
index 9d874cc2..66b6202b 100644
--- a/technic/machines/register/common.lua
+++ b/technic/machines/register/common.lua
@@ -97,9 +97,9 @@ function technic.handle_machine_pipeworks(pos, tube_upgrade, send_function)
 	local z_velocity = 0
 
 	-- Output is on the left side of the furnace
-	if node.param2 == 3 then pos1.z = pos1.z - 1  z_velocity = -1 end
+	if node.param2 == 3 then pos1.z = pos1.z + 1  z_velocity =  1 end
 	if node.param2 == 2 then pos1.x = pos1.x - 1  x_velocity = -1 end
-	if node.param2 == 1 then pos1.z = pos1.z + 1  z_velocity =  1 end
+	if node.param2 == 1 then pos1.z = pos1.z - 1  z_velocity = -1 end
 	if node.param2 == 0 then pos1.x = pos1.x + 1  x_velocity =  1 end
 
 	local output_tube_connected = false