diff --git a/python-sqlalchemy.spec b/python-sqlalchemy.spec
index 5c757fe..c6c855c 100644
--- a/python-sqlalchemy.spec
+++ b/python-sqlalchemy.spec
@@ -79,7 +79,7 @@ Documentation for SQLAlchemy.
 
 
 %generate_buildrequires
-%pyproject_buildrequires
+%pyproject_buildrequires -x %{gsub %{quote:%python_pkg_extras} %%s+ ,}
 
 
 %prep