diff --git a/substrate/frame/election-provider-multi-block/src/mock/mod.rs b/substrate/frame/election-provider-multi-block/src/mock/mod.rs
index 9111d4babb1c8cce52172aca8031c8f8c15c7d1a..f7bfa98814f496235b780ae11bbeb6c411c0bb77 100644
--- a/substrate/frame/election-provider-multi-block/src/mock/mod.rs
+++ b/substrate/frame/election-provider-multi-block/src/mock/mod.rs
@@ -390,6 +390,7 @@ impl ExtBuilder {
 				(999, 100),
 				(9999, 100),
 			],
+			..Default::default()
 		}
 		.assimilate_storage(&mut storage);