diff --git a/PHI-MB/data-updates.lua b/PHI-MB/data-updates.lua
new file mode 100644
index 0000000..391614e
--- /dev/null
+++ b/PHI-MB/data-updates.lua
@@ -0,0 +1,2 @@
+-- assembling-machine
+data.raw['assembling-machine']['assembling-machine-mk4'].fast_replaceable_group = data.raw['assembling-machine']['assembling-machine-3'].fast_replaceable_group