diff --git a/mopidy/frontends/mpd/exceptions.py b/mopidy/frontends/mpd/exceptions.py
index df90aed7..c6020658 100644
--- a/mopidy/frontends/mpd/exceptions.py
+++ b/mopidy/frontends/mpd/exceptions.py
@@ -42,6 +42,12 @@ class MpdPasswordError(MpdAckError):
         super(MpdPasswordError, self).__init__(*args, **kwargs)
         self.error_code = MpdAckError.ACK_ERROR_PASSWORD
 
+class MpdPermissionError(MpdAckError):
+    def __init__(self, *args, **kwargs):
+        super(MpdPermissionError, self).__init__(*args, **kwargs)
+        self.message = u'you don\'t have permission for "%s"' % self.command
+        self.error_code = MpdAckError.ACK_ERROR_PERMISSION
+
 class MpdUnknownCommand(MpdAckError):
     def __init__(self, *args, **kwargs):
         super(MpdUnknownCommand, self).__init__(*args, **kwargs)
diff --git a/tests/frontends/mpd/exception_test.py b/tests/frontends/mpd/exception_test.py
index 9b1b47a2..6750189b 100644
--- a/tests/frontends/mpd/exception_test.py
+++ b/tests/frontends/mpd/exception_test.py
@@ -1,7 +1,7 @@
 import unittest
 
-from mopidy.frontends.mpd.exceptions import (MpdAckError, MpdUnknownCommand,
-    MpdSystemError, MpdNotImplemented)
+from mopidy.frontends.mpd.exceptions import (MpdAckError, MpdPermissionError,
+    MpdUnknownCommand, MpdSystemError, MpdNotImplemented)
 
 class MpdExceptionsTest(unittest.TestCase):
     def test_key_error_wrapped_in_mpd_ack_error(self):
@@ -43,3 +43,10 @@ class MpdExceptionsTest(unittest.TestCase):
         except MpdSystemError as e:
             self.assertEqual(e.get_mpd_ack(),
                 u'ACK [52@0] {} foo')
+
+    def test_mpd_permission_error(self):
+        try:
+            raise MpdPermissionError(command='foo')
+        except MpdPermissionError as e:
+            self.assertEqual(e.get_mpd_ack(),
+                u'ACK [4@0] {foo} you don\'t have permission for "foo"')