diff --git a/pyproject.toml b/pyproject.toml
index 248eea4..8227999 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ paropt = [
 
 [project.scripts]
 build-pyoptsparse = "build_pyoptsparse.build_pyoptsparse:perform_install"
-build_pyoptsparse = "build_pyoptsparsebuild_pyoptsparse:perform_install"
+build_pyoptsparse = "build_pyoptsparse.build_pyoptsparse:perform_install"
 
 [project.urls]
 Homepage = "http://openmdao.org"