diff --git a/mopidy_subidy/subsonic_api.py b/mopidy_subidy/subsonic_api.py
index cb12024..861837d 100644
--- a/mopidy_subidy/subsonic_api.py
+++ b/mopidy_subidy/subsonic_api.py
@@ -27,7 +27,7 @@ class SubsonicApi():
             password,
             self.port,
             parsed.path + '/rest',
-            legacy_auth)
+            legacyAuth=legacy_auth)
         self.url = url + '/rest'
         self.username = username
         self.password = password
diff --git a/setup.py b/setup.py
index d5591bd..713b741 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ setup(
     install_requires=[
         'setuptools',
         'Mopidy >= 2.0',
-        'py-sonic',
+        'py-sonic >= 0.6.1',
         'Pykka >= 1.1'
     ],
     entry_points={