diff --git a/blockstack/lib/fast_sync.py b/blockstack/lib/fast_sync.py
index 31a971b7a..cca7bb799 100644
--- a/blockstack/lib/fast_sync.py
+++ b/blockstack/lib/fast_sync.py
@@ -627,7 +627,7 @@ def blockstack_backup_restore(working_dir, block_number):
     Raise an exception on error
     """
     db = BlockstackDB.get_readwrite_instance(working_dir, restore=True, restore_block_height=block_number)
-    db.db_restore(block_number=restore_block_height)
+    db.db_restore(block_number=block_number)
     db.close()
     return True