diff --git a/test/scripts/customtypestest.py b/test/scripts/customtypestest.py
index 55ab8d7..8314191 100644
--- a/test/scripts/customtypestest.py
+++ b/test/scripts/customtypestest.py
@@ -142,6 +142,11 @@ class CustomTypesTest(unittest.TestCase):
         struct.append( "m_field7", tb.UInt1B.arrayOf(5) )
         self.assertEqual( 20, struct.size() )
 
+        struct = tb.createStruct(name ="MyAlignStruct", align=1)
+        struct.append( "m_field1", tb.UInt1B )
+        struct.append( "m_field2", tb.UInt8B )
+        self.assertEqual( 9, struct.size() )
+
     def testUnionAlignedSize(self):
         tb = pykd.typeBuilder()
         union = tb.createUnion("MyCustomUnion", align=4)