diff --git a/lmwsip/tests/__init__.py b/lmwsip/tests/__init__.py
index b35f4aa..4331bc4 100755
--- a/lmwsip/tests/__init__.py
+++ b/lmwsip/tests/__init__.py
@@ -81,6 +81,10 @@ class lmwsipTest(unittest.TestCase):
         self.login()
         self.assertEqual(type(self.sip.value("WN", "DUMMY", "H10")), str)
 
+    def test_value1min(self):
+        self.login()
+        self.assertEqual(type(self.sip.value("WN", "DUMMY", "H1")), str)
+
     def test_logout(self):
         self.login()
         self.assertEqual(self.sip.logout(), None)