diff --git a/lib/ansible/modules/extras/system/lvg.py b/lib/ansible/modules/extras/system/lvg.py
index d22f3750b7..2d2710e38b 100644
--- a/lib/ansible/modules/extras/system/lvg.py
+++ b/lib/ansible/modules/extras/system/lvg.py
@@ -131,6 +131,7 @@ def main():
     pesize = module.params['pesize']
     vgoptions = module.params['vg_options'].split()
 
+    dev_list = []
     if module.params['pvs']:
         dev_list = module.params['pvs']
     elif state == 'present':