diff --git a/main.lua b/main.lua
index 1c6954e..85db087 100644
--- a/main.lua
+++ b/main.lua
@@ -257,7 +257,7 @@ function PropellerInit()
     for pi, pv in ipairs(propellers) do 
         if Thrusters[peripheral.getName(pv)] == nil then
             for _, tv in pairs(transmissions) do
-                if pv.getSubnetworkAnchorId() == tv.getSelfId() then
+                if pv.getSourceId() == tv.getSelfId() then
                     if Thrusters[peripheral.getName(pv)] == nil then
                         Thrusters[peripheral.getName(pv)] = {
                             type = "rotator",
@@ -383,7 +383,7 @@ local function populateThrusterValues()
         end
         if thruster.type == "rotator" and thruster.transmission == nil then
             if Config.Debug then print("DEBUG: Thruster "..thruster.name.." does not have an associated transmission.") end
-            local subnetworkId = peripheral.wrap(thruster.name).getSubnetworkAnchorId()
+            local subnetworkId = peripheral.wrap(thruster.name).getSourceId()
             for _, transmissionType in ipairs(TransmissionTypes) do
                 local transmissions = { peripheral.find(transmissionType) }
                 if transmissions ~= nil and transmissions[1] ~= nil then
@@ -524,7 +524,7 @@ local function partiallyUpdateThrusters(thrusterList)
                 for _, tt in ipairs(TransmissionTypes) do 
                     local transmissions = peripheral.find(tt)
                     for _, t in ipairs(transmissions) do
-                        if tv.getSubnetworkAnchorId() == t.getSelfId() then
+                        if tv.getSourceId() == t.getSelfId() then
                             thisThruster.transmission = peripheral.getName(t)
                         end
                     end