diff --git a/map-gen-preset-updates.lua b/map-gen-preset-updates.lua
new file mode 100644
index 0000000..60e8cb6
--- /dev/null
+++ b/map-gen-preset-updates.lua
@@ -0,0 +1,11 @@
+if data.raw["map-gen-presets"] and data.raw["map-gen-presets"].default then
+  for name, preset in pairs(data.raw["map-gen-presets"].default) do 
+    if type(preset) == "table" and 
+      preset.basic_settings and 
+      preset.basic_settings.autoplace_controls and 
+      preset.basic_settings.autoplace_controls["iron-ore"] and 
+      preset.basic_settings.autoplace_controls["salt"] then
+        preset.basic_settings.autoplace_controls["salt"] = preset.basic_settings.autoplace_controls["iron-ore"]
+    end
+  end
+end