diff --git a/internetarchive/search.py b/internetarchive/search.py
index 08a3bc9c..0de196ed 100644
--- a/internetarchive/search.py
+++ b/internetarchive/search.py
@@ -150,6 +150,10 @@ def _scrape(self):
             j = r.json()
             if j.get('error'):
                 yield j
+            if j['total'] is None:
+                # Unexpected empty response when iterating on cursor
+                # Retry with same cursor:
+                continue
             num_found = int(j['total'])
             if not self._num_found:
                 self._num_found = num_found