diff --git a/pyHS100/tests/fakes.py b/pyHS100/tests/fakes.py
index 21f6ca56..983cd519 100644
--- a/pyHS100/tests/fakes.py
+++ b/pyHS100/tests/fakes.py
@@ -58,7 +58,7 @@ sysinfo_hs100 = {'system': {'get_sysinfo':
                                  'latitude': 12.2,
                                  'led_off': 0,
                                  'longitude': 12.2,
-                                 'mac': '50:C7:BF:xx:xx:xx',
+                                 'mac': '50:C7:BF:11:22:33',
                                  'model': 'HS100(EU)',
                                  'oemId': '812A90EB2FCF306A993FAD8748024B07',
                                  'on_time': 255419,
diff --git a/pyHS100/tests/test_pyHS100.py b/pyHS100/tests/test_pyHS100.py
index ed117e6c..d43dbc53 100644
--- a/pyHS100/tests/test_pyHS100.py
+++ b/pyHS100/tests/test_pyHS100.py
@@ -6,8 +6,9 @@ import re
 
 from .. import SmartPlug, SmartDeviceException
 from .fakes import (FakeTransportProtocol,
-                    sysinfo_hs110,
+                    sysinfo_hs100,
                     sysinfo_hs105,
+                    sysinfo_hs110,
                     sysinfo_hs200)
 
 PLUG_IP = '192.168.250.186'
@@ -250,6 +251,10 @@ class TestSmartPlugHS110(TestCase):
         # TODO check setting?
 
 
+class TestSmartPlugHS100(TestSmartPlugHS110):
+    SYSINFO = sysinfo_hs100
+
+
 class TestSmartPlugHS200(TestSmartPlugHS110):
     SYSINFO = sysinfo_hs200