diff --git a/sqlite_s3vfs.py b/sqlite_s3vfs.py
index bad3566..b4f1c72 100644
--- a/sqlite_s3vfs.py
+++ b/sqlite_s3vfs.py
@@ -128,6 +128,9 @@ def _read():
 
         return b"".join(_read())
 
+    def xSectorSize(self):
+        return 0
+
     def xFileControl(self, *args):
         return False