diff --git a/pyproject.toml b/pyproject.toml
index cf7053f..131dc54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "wgnetns"
-version = "2.3.0"
+version = "2.3.1"
 description = "wg-quick for network namespaces"
 authors = ["dadevel <dadevel@disroot.org>"]
 license = "MIT"
diff --git a/wgnetns/main.py b/wgnetns/main.py
index 74f34a4..e847112 100755
--- a/wgnetns/main.py
+++ b/wgnetns/main.py
@@ -90,6 +90,8 @@ def cli(args):
         namespace.teardown(check=not opts.force)
     elif opts.action == 'list':
         output = ip('-json', 'netns', capture=True)
+        if not output:
+            return
         data = json.loads(output)
         print('\n'.join(item['name'] for item in data))
     elif opts.action == 'switch':