diff --git a/beets/util/confit.py b/beets/util/confit.py
index 39e74b8f3..a271d9668 100644
--- a/beets/util/confit.py
+++ b/beets/util/confit.py
@@ -405,11 +405,8 @@ class RootView(ConfigView):
     def root(self):
         return self
 
-    def add_redacted_fields(self, field_names):
-        if not isinstance(field_names, list):
-            field_names = [field_names]
-
-        self.redacted_fields = self.redacted_fields | set(field_names)
+    def add_redacted_fields(self, *field_names):
+        self.redacted_fields |= set(field_names)
 
 
 class Subview(ConfigView):
@@ -462,8 +459,8 @@ class Subview(ConfigView):
     def root(self):
         return self.parent.root()
 
-    def add_redacted_fields(self, field_names):
-        self.parent.add_redacted_fields(field_names)
+    def add_redacted_fields(self, *field_names):
+        self.parent.add_redacted_fields(*field_names)
 
 
 # Config file paths, including platform-specific paths and in-package
@@ -821,8 +818,7 @@ class Configuration(RootView):
             out_dict = RootView(sources).flatten()
 
         if redact_fields:
-            Dumper.redacted_fields = Dumper.redacted_fields | \
-                self.redacted_fields
+            Dumper.redacted_fields |= self.redacted_fields
         else:
             Dumper.redacted_fields = set()
 
diff --git a/beetsplug/discogs.py b/beetsplug/discogs.py
index 78c525569..f0c09c975 100644
--- a/beetsplug/discogs.py
+++ b/beetsplug/discogs.py
@@ -56,7 +56,7 @@ class DiscogsPlugin(BeetsPlugin):
             'tokenfile': 'discogs_token.json',
             'source_weight': 0.5,
         })
-        self.config.add_redacted_fields(['apikey', 'apisecret'])
+        self.config.add_redacted_fields('apikey', 'apisecret')
         self.discogs_client = None
         self.register_listener('import_begin', self.setup)
 
diff --git a/beetsplug/echonest.py b/beetsplug/echonest.py
index 93112124a..00f64fda3 100644
--- a/beetsplug/echonest.py
+++ b/beetsplug/echonest.py
@@ -135,7 +135,7 @@ class EchonestMetadataPlugin(plugins.BeetsPlugin):
             'truncate': True,
         })
         self.config.add(ATTRIBUTES)
-        self.config.add_redacted_fields(['apikey'])
+        self.config.add_redacted_fields('apikey')
 
         pyechonest.config.ECHO_NEST_API_KEY = \
             self.config['apikey'].get(unicode)
diff --git a/beetsplug/lyrics.py b/beetsplug/lyrics.py
index 0801b0379..42ac58010 100644
--- a/beetsplug/lyrics.py
+++ b/beetsplug/lyrics.py
@@ -463,7 +463,7 @@ class LyricsPlugin(plugins.BeetsPlugin):
             'force': False,
             'sources': self.SOURCES,
         })
-        self.config.add_redacted_fields(['google_API_key', 'google_engine_ID'])
+        self.config.add_redacted_fields('google_API_key', 'google_engine_ID')
 
         available_sources = list(self.SOURCES)
         if not self.config['google_API_key'].get() and \