diff --git a/devices.lua b/devices.lua
index 1eb18be..61648da 100644
--- a/devices.lua
+++ b/devices.lua
@@ -377,9 +377,9 @@ minetest.register_node(nodename_spigot_loaded, {
 new_flow_logic_register.simple(nodename_spigot_empty)
 new_flow_logic_register.simple(nodename_spigot_loaded)
 local spigot_min = 1
-local outputfn = pipeworks.flowlogic.helpers.make_neighbour_output_fixed({{x=0, y=-1, z=0}})
-new_flow_logic_register.output(nodename_spigot_empty, spigot_min, outputfn)
-new_flow_logic_register.output(nodename_spigot_loaded, spigot_min, outputfn)
+local spigot_neighbours={{x=0, y=-1, z=0}}
+new_flow_logic_register.output_simple(nodename_spigot_empty, spigot_min, spigot_neighbours)
+new_flow_logic_register.output_simple(nodename_spigot_loaded, spigot_min, spigot_neighbours)
 
 
 
@@ -670,9 +670,9 @@ minetest.register_node(nodename_fountain_loaded, {
 new_flow_logic_register.simple(nodename_fountain_empty)
 new_flow_logic_register.simple(nodename_fountain_loaded)
 local fountain_min = 1
-local fountainfn = pipeworks.flowlogic.helpers.make_neighbour_output_fixed({{x=0, y=1, z=0}})
-new_flow_logic_register.output(nodename_fountain_empty, fountain_min, fountainfn)
-new_flow_logic_register.output(nodename_fountain_loaded, fountain_min, fountainfn)
+local fountain_neighbours={{x=0, y=1, z=0}}
+new_flow_logic_register.output_simple(nodename_fountain_empty, fountain_min, fountain_neighbours)
+new_flow_logic_register.output_simple(nodename_fountain_loaded, fountain_min, fountain_neighbours)
 
 
 
diff --git a/new_flow_logic/flowable_node_registry_install.lua b/new_flow_logic/flowable_node_registry_install.lua
index 79f5997..3d9ce0a 100644
--- a/new_flow_logic/flowable_node_registry_install.lua
+++ b/new_flow_logic/flowable_node_registry_install.lua
@@ -77,3 +77,7 @@ end
 -- which tries to place water nodes around it.
 -- possibly this could be given a helper function to determine which faces a node should try,
 -- to allow things like rotation or other param values determining "direction" to be respected.
+register.output_simple = function(nodename, threshold, neighbours)
+	local outputfn = pipeworks.flowlogic.helpers.make_neighbour_output_fixed(neighbours)
+	register.output(nodename, threshold, outputfn)
+end