diff --git a/pywb/cdx/cdxserver.py b/pywb/cdx/cdxserver.py
index 65dfe6e7..5da0d621 100644
--- a/pywb/cdx/cdxserver.py
+++ b/pywb/cdx/cdxserver.py
@@ -176,7 +176,10 @@ class CDXServer(BaseCDXServer):
         if filename.endswith(('.summary', '.idx')):
             return ZipNumCluster(filename, config)
 
-        logging.warn('skipping unrecognized URI:%s', filename)
+        # no warning for .loc
+        if not filename.endswith('.loc'):
+            logging.warn('skipping unrecognized URI: %s', filename)
+
         return None
 
 
diff --git a/pywb/cdx/zipnum.py b/pywb/cdx/zipnum.py
index fc07d3b5..d0b832d2 100644
--- a/pywb/cdx/zipnum.py
+++ b/pywb/cdx/zipnum.py
@@ -159,7 +159,7 @@ class ZipNumCluster(CDXSource):
         info = dict(pages=pages,
                     pageSize=pagesize,
                     blocks=blocks)
-        return json.dumps(info)
+        return json.dumps(info) + '\n'
 
     def compute_page_range(self, reader, query):
         pagesize = query.page_size