diff --git a/test/api/python_lvm_unit.py b/test/api/python_lvm_unit.py
index bceb82cd3..eab957500 100755
--- a/test/api/python_lvm_unit.py
+++ b/test/api/python_lvm_unit.py
@@ -185,7 +185,7 @@ class TestLvm(unittest.TestCase):
 		for p in pvs:
 			pe_devices.append(p.getName())
 
-		for pv in pe_devices:
+		for pv in pe_devices[:-1]:
 			vg.reduce(pv)
 
 		vg.remove()