diff --git a/scripts/add_rule.py b/scripts/add_rule.py
index d61a249b38..100ca0c2d0 100755
--- a/scripts/add_rule.py
+++ b/scripts/add_rule.py
@@ -91,7 +91,7 @@ impl Violation for %s {
             if has_written:
                 continue
 
-            if line.startswith("define_rule_mapping!"):
+            if line.startswith("ruff_macros::define_rule_mapping!"):
                 seen_macro = True
                 continue
 
@@ -104,6 +104,8 @@ impl Violation for %s {
                 fp.write("\n")
                 has_written = True
 
+    assert has_written
+
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(
diff --git a/scripts/pyproject.toml b/scripts/pyproject.toml
index 3987088ce7..9bafb4d715 100644
--- a/scripts/pyproject.toml
+++ b/scripts/pyproject.toml
@@ -1,6 +1,7 @@
 [tool.ruff]
 select = ["ALL"]
 ignore = [
+    "S101", # assert-used
     "PLR2004", # magic-value-comparison
 ]