diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 8ecb219..74d4c95 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -307,6 +307,7 @@ pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
 pub type Block = generic::Block<Header, UncheckedExtrinsic>;
 /// The SignedExtension to the basic transaction logic.
 pub type SignedExtra = (
+	frame_system::CheckNonZeroSender<Runtime>,
 	frame_system::CheckSpecVersion<Runtime>,
 	frame_system::CheckTxVersion<Runtime>,
 	frame_system::CheckGenesis<Runtime>,