diff --git a/parachain-template/runtime/src/lib.rs b/parachain-template/runtime/src/lib.rs
index 4b5bd255dc..66a2e2aaab 100644
--- a/parachain-template/runtime/src/lib.rs
+++ b/parachain-template/runtime/src/lib.rs
@@ -548,6 +548,7 @@ parameter_types! {
 	pub const Period: u32 = 6 * HOURS;
 	pub const Offset: u32 = 0;
 	pub const MaxAuthorities: u32 = 100_000;
+	pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(17);
 }
 
 impl pallet_session::Config for Runtime {
@@ -561,6 +562,7 @@ impl pallet_session::Config for Runtime {
 	// Essentially just Aura, but lets be pedantic.
 	type SessionHandler = <SessionKeys as sp_runtime::traits::OpaqueKeys>::KeyTypeIdProviders;
 	type Keys = SessionKeys;
+	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
 	type WeightInfo = ();
 }