diff --git a/sublime/adapters/subsonic/adapter.py b/sublime/adapters/subsonic/adapter.py
index cdb1126..cfbeacb 100644
--- a/sublime/adapters/subsonic/adapter.py
+++ b/sublime/adapters/subsonic/adapter.py
@@ -182,7 +182,8 @@ class SubsonicAdapter(Adapter):
 
     @staticmethod
     def migrate_configuration(config_store: ConfigurationStore):
-        pass
+        if "salt_auth" not in config_store:
+            config_store["salt_auth"] = False
 
     def __init__(self, config: ConfigurationStore, data_directory: Path):
         self.data_directory = data_directory
@@ -221,7 +222,7 @@ class SubsonicAdapter(Adapter):
         self.username = config["username"]
         self.password = cast(str, config.get_secret("password"))
         self.verify_cert = config["verify_cert"]
-        self.use_salt_auth = config["salt_auth"] if "salt_auth" in config else False
+        self.use_salt_auth = config["salt_auth"]
 
         self.is_shutting_down = False
 
@@ -367,9 +368,8 @@ class SubsonicAdapter(Adapter):
         Authentication section of www.subsonic.org/pages/api.jsp for more information
         """
         salt = "".join(random.choices(string.ascii_letters + string.digits, k=8))
-        unhashed_token = "{}{}".format(self.password, salt)
-        hashed_token = hashlib.md5(str.encode(unhashed_token)).hexdigest()
-        return (salt, hashed_token)
+        token = hashlib.md5(f"{self.password}{salt}".encode()).hexdigest()
+        return (salt, token)
 
     def _make_url(self, endpoint: str) -> str:
         return f"{self.hostname}/rest/{endpoint}.view"
diff --git a/tests/adapter_tests/subsonic_adapter_tests.py b/tests/adapter_tests/subsonic_adapter_tests.py
index df48009..036adc8 100644
--- a/tests/adapter_tests/subsonic_adapter_tests.py
+++ b/tests/adapter_tests/subsonic_adapter_tests.py
@@ -1,3 +1,4 @@
+import hashlib
 import json
 import logging
 import re
@@ -124,10 +125,35 @@ def test_salt_auth_logic(salt_auth_adapter: SubsonicAdapter):
     params = salt_auth_adapter._get_params()
     assert "p" not in params
     assert "s" in params
+    salt = params["s"]
     assert "t" in params
+    assert params["t"] == hashlib.md5(f"testpass{salt}".encode()).hexdigest()
     assert all(key in params and params[key] == expected[key] for key in expected)
 
 
+def test_migrate_configuration_populate_salt_auth():
+    config = ConfigurationStore(
+        server_address="https://subsonic.example.com",
+        username="test",
+        verify_cert=True,
+    )
+    SubsonicAdapter.migrate_configuration(config)
+    assert "salt_auth" in config
+    assert not config["salt_auth"]
+
+
+def test_migrate_configuration_salt_auth_present():
+    config = ConfigurationStore(
+        server_address="https://subsonic.example.com",
+        username="test",
+        verify_cert=True,
+        salt_auth=True,
+    )
+    SubsonicAdapter.migrate_configuration(config)
+    assert "salt_auth" in config
+    assert config["salt_auth"]
+
+
 def test_make_url(adapter: SubsonicAdapter):
     assert adapter._make_url("foo") == "https://subsonic.example.com/rest/foo.view"