diff --git a/pandora_client/__init__.py b/pandora_client/__init__.py
index ba34e4f..5f9c839 100644
--- a/pandora_client/__init__.py
+++ b/pandora_client/__init__.py
@@ -911,7 +911,8 @@ class API(ox.API):
         self.media_cache = media_cache
         if not self.media_cache:
             self.media_cache = os.path.expanduser(default_media_cache)
-        self._resume_file = '/tmp/pandora_client.%s.json' % os.environ.get('USER')
+        netloc = urlparse(self.url).netloc
+        self._resume_file = '/tmp/pandora_client.%s.%s.json' % (os.environ.get('USER'), netloc)
 
     def uploadFrames(self, i, data):
         #upload frames