diff --git a/beetsplug/subsonicupdate.py b/beetsplug/subsonicupdate.py
index 29b01986e..354eb701f 100644
--- a/beetsplug/subsonicupdate.py
+++ b/beetsplug/subsonicupdate.py
@@ -61,7 +61,7 @@ def format_url():
     """
 
     url = config['subsonic']['url'].as_str()
-    if url and url.endsWith('/'):
+    if url and url.endswith('/'):
         url = url[:-1]
 
     # @deprecated("Use url config option instead")