diff --git a/python/pyarmnn/test/test_descriptors.py b/python/pyarmnn/test/test_descriptors.py
index a397666..507afad 100644
--- a/python/pyarmnn/test/test_descriptors.py
+++ b/python/pyarmnn/test/test_descriptors.py
@@ -232,6 +232,7 @@
 def test_pad_descriptor_default_values():
     desc = ann.PadDescriptor()
     assert desc.m_PadValue == 0
+    assert desc.m_PaddingMode == ann.PaddingMode_Constant
 
 
 def test_permute_descriptor_default_values():