1 files changed, 3 insertions, 3 deletions

diff --git a/tap_google_sheets/discover.py b/tap_google_sheets/discover.py
index 6477a5f..6cf0d09 100644
--- a/tap_google_sheets/discover.py
+++ b/tap_google_sheets/discover.py
@@ -10,11 +10,11 @@ def discover(client, spreadsheet_id):
         schema = Schema.from_dict(schema_dict)
         mdata = field_metadata[stream_name]
         key_properties = None
-        for md in mdata:
-            table_key_properties = md.get('metadata', {}).get('table-key-properties')
+        for mdt in mdata:
+            table_key_properties = mdt.get('metadata', {}).get('table-key-properties')
             if table_key_properties:
                 key_properties = table_key_properties
-    
+
         catalog.streams.append(CatalogEntry(
             stream=stream_name,
             tap_stream_id=stream_name,