diff --git a/substrate/client/service/src/lib.rs b/substrate/client/service/src/lib.rs
index a1ff8da408..ce77be5a7c 100644
--- a/substrate/client/service/src/lib.rs
+++ b/substrate/client/service/src/lib.rs
@@ -498,7 +498,7 @@ where
 	fn import(&self, transaction: B::Extrinsic) -> TransactionImportFuture {
 		if !self.imports_external_transactions {
 			debug!("Transaction rejected");
-			Box::pin(futures::future::ready(TransactionImport::None));
+			return Box::pin(futures::future::ready(TransactionImport::None))
 		}
 
 		let encoded = transaction.encode();