diff --git a/openstack/baremetal/configdrive.py b/openstack/baremetal/configdrive.py
index b43d19b3c..13348fe42 100644
--- a/openstack/baremetal/configdrive.py
+++ b/openstack/baremetal/configdrive.py
@@ -71,7 +71,8 @@ def build(metadata, user_data=None, versions=None, network_data=None):
     :param dict network_data: Networking configuration.
     :return: configdrive contents as a base64-encoded string.
     """
-    with populate_directory(metadata, user_data, versions) as path:
+    with populate_directory(metadata, user_data, versions,
+                            network_data) as path:
         return pack(path)
 
 
diff --git a/releasenotes/notes/network-data-bd94e4a499ba3e0d.yaml b/releasenotes/notes/network-data-bd94e4a499ba3e0d.yaml
new file mode 100644
index 000000000..22e5bd706
--- /dev/null
+++ b/releasenotes/notes/network-data-bd94e4a499ba3e0d.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes ``openstack.baremetal.configdrive.build`` to actually handle the
+    ``network_data`` argument.