diff --git a/setup.cfg b/setup.cfg
index 7a12ad5fed1..312e9b56f29 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -96,7 +96,7 @@ per-file-ignores = examples/*.py: D MPY001 T003 T001
 
 [flake8:local-plugins]
 extension = MPY = flake8_metpy:MetPyChecker
-paths = ./tools/flake8_metpy
+paths = ./tools/flake8-metpy
 
 [tool:pytest]
 # https://github.com/matplotlib/pytest-mpl/issues/69