diff --git a/lignumis/data-final-fixes.lua b/lignumis/data-final-fixes.lua
index 866c65d..02e2978 100644
--- a/lignumis/data-final-fixes.lua
+++ b/lignumis/data-final-fixes.lua
@@ -1 +1,2 @@
-require("prototypes/content/final")
\ No newline at end of file
+require("prototypes/content/final")
+require("prototypes/compatibility/final")
\ No newline at end of file
diff --git a/lignumis/prototypes/compatibility/final.lua b/lignumis/prototypes/compatibility/final.lua
new file mode 100644
index 0000000..13dc3b3
--- /dev/null
+++ b/lignumis/prototypes/compatibility/final.lua
@@ -0,0 +1,3 @@
+if not data.raw.technology["legendary-quality"] then
+    table.removeValue(data.raw.technology["quality-assembler"].prerequisites, "legendary-quality")
+end
\ No newline at end of file