diff --git a/python-testpath.spec b/python-testpath.spec
index b7c388c..bbd2bc2 100644
--- a/python-testpath.spec
+++ b/python-testpath.spec
@@ -73,7 +73,7 @@ rm -f %{pypi_name}/*.exe
 # and upstream does not want one
 # https://github.com/takluyver/flit/issues/74
 # we use flit to create a wheel from sources
-flit wheel
+flit build --format wheel
 
 # generate html docs
 sphinx-build-3 doc html