diff --git a/make/py-topdir.mk b/make/py-topdir.mk
index 471ee8b4..8cadbb07 100644
--- a/make/py-topdir.mk
+++ b/make/py-topdir.mk
@@ -7,6 +7,9 @@ endif
 
 ifndef PY_CHECK_RUFF
   PY_CHECK_RUFF             := $(shell which ruff 2>/dev/null)
+  ifneq ($(PY_CHECK_RUFF),)
+    PY_CHECK_RUFF           += --config pyproject.toml
+  endif
 endif
 
 ifndef PY_CHECK_YAPF