diff --git a/mopidy/backends/libspotify/session_manager.py b/mopidy/backends/libspotify/session_manager.py
index 707423aa..9ea8386b 100644
--- a/mopidy/backends/libspotify/session_manager.py
+++ b/mopidy/backends/libspotify/session_manager.py
@@ -19,6 +19,9 @@ class LibspotifySessionManager(SpotifySessionManager, threading.Thread):
     def __init__(self, username, password, core_queue, output_queue):
         SpotifySessionManager.__init__(self, username, password)
         threading.Thread.__init__(self)
+        # Run as a daemon thread, so Mopidy won't wait for this thread to exit
+        # before Mopidy exits.
+        self.daemon = True
         self.core_queue = core_queue
         self.output_queue = output_queue
         self.connected = threading.Event()