diff --git a/tests/test_device_load.py b/tests/test_device_load.py
index 39e59a537c..c7f27ff2c8 100644
--- a/tests/test_device_load.py
+++ b/tests/test_device_load.py
@@ -29,6 +29,40 @@ class TestDeviceLoad(common.TrezorTest):
         passphrase_protection = self.client.debug.read_passphrase_protection()
         self.assertEqual(passphrase_protection, True)
 
+    def test_load_device_utf(self):
+        words_nfkd = u'Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a'
+        words_nfc = u'P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f'
+        words_nfkc = u'P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f'
+        words_nfd = u'Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a'
+
+        passphrase_nfkd = u'Neuve\u030cr\u030citelne\u030c bezpec\u030cne\u0301 hesli\u0301c\u030cko'
+        passphrase_nfc = u'Neuv\u011b\u0159iteln\u011b bezpe\u010dn\xe9 hesl\xed\u010dko'
+        passphrase_nfkc = u'Neuv\u011b\u0159iteln\u011b bezpe\u010dn\xe9 hesl\xed\u010dko'
+        passphrase_nfd = u'Neuve\u030cr\u030citelne\u030c bezpec\u030cne\u0301 hesli\u0301c\u030cko'
+
+        self.client.wipe_device()
+        self.client.load_device_by_mnemonic(mnemonic=words_nfkd, pin='', passphrase_protection=True, label='test', language='english', skip_checksum=True)
+        self.client.set_passphrase(passphrase_nfkd)
+        address_nfkd = self.client.get_address('Bitcoin', [])
+
+        self.client.wipe_device()
+        self.client.load_device_by_mnemonic(mnemonic=words_nfc, pin='', passphrase_protection=True, label='test', language='english', skip_checksum=True)
+        self.client.set_passphrase(passphrase_nfc)
+        address_nfc = self.client.get_address('Bitcoin', [])
+
+        self.client.wipe_device()
+        self.client.load_device_by_mnemonic(mnemonic=words_nfkc, pin='', passphrase_protection=True, label='test', language='english', skip_checksum=True)
+        self.client.set_passphrase(passphrase_nfkc)
+        address_nfkc = self.client.get_address('Bitcoin', [])
+
+        self.client.wipe_device()
+        self.client.load_device_by_mnemonic(mnemonic=words_nfd, pin='', passphrase_protection=True, label='test', language='english', skip_checksum=True)
+        self.client.set_passphrase(passphrase_nfd)
+        address_nfd = self.client.get_address('Bitcoin', [])
+
+        self.assertEqual(address_nfkd, address_nfc)
+        self.assertEqual(address_nfkd, address_nfkc)
+        self.assertEqual(address_nfkd, address_nfd)
 
 if __name__ == '__main__':
     unittest.main()