diff --git a/substrate/node-template/runtime/src/lib.rs b/substrate/node-template/runtime/src/lib.rs
index 487937eab0..fa4d022d17 100644
--- a/substrate/node-template/runtime/src/lib.rs
+++ b/substrate/node-template/runtime/src/lib.rs
@@ -208,7 +208,7 @@ impl indices::Trait for Runtime {
 }
 
 parameter_types! {
-	pub const MinimumPeriod: u64 = 5000;
+	pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
 }
 
 impl timestamp::Trait for Runtime {