diff --git a/node/src/chain_spec/gtest_genesis.rs b/node/src/chain_spec/gtest_genesis.rs
index 4ff7c77446d188af0e734649e1b9bc4e6f9d5929..9aa6f737fd9c253d9e735772df834b111c39baed 100644
--- a/node/src/chain_spec/gtest_genesis.rs
+++ b/node/src/chain_spec/gtest_genesis.rs
@@ -32,7 +32,7 @@ type MembershipData = sp_membership::MembershipData<u32>;
 // get values of parameters
 static EXISTENTIAL_DEPOSIT: u64 = parameters::ExistentialDeposit::get();
 static SMITH_MEMBERSHIP_EXPIRE_ON: u32 = parameters::SmithMembershipPeriod::get();
-static SMITH_CERTS_EXPIRE_ON: u32 = parameters::SmithCertPeriod::get();
+static SMITH_CERTS_EXPIRE_ON: u32 = parameters::SmithValidityPeriod::get();
 static MIN_CERT: u32 = parameters::WotMinCertForMembership::get();
 static SMITH_MIN_CERT: u32 = parameters::SmithWotMinCertForMembership::get();