diff --git a/setup.cfg b/setup.cfg
index 50f5812..191bf73 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,13 +1,13 @@
 [build]
-build-temp = _build/temp
-build-lib = _build/lib
+build_temp = _build/temp
+build_lib = _build/lib
 
 [build_ext]
 parallel = 0
-build-type = Release
+build_type = Release
 
 [install_lib]
-build-dir = _build/lib
+build_dir = _build/lib
 
 [bdist_wheel]
 bdist-dir = _build/bdist