diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 2bc4c27..34a7c11 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -120,7 +120,7 @@ pub fn native_version() -> NativeVersion {
 
 parameter_types! {
 	pub const BlockHashCount: BlockNumber = 250;
-	pub const MaximumBlockWeight: Weight = 1_000_000;
+	pub const MaximumBlockWeight: Weight = 1_000_000_000;
 	pub const AvailableBlockRatio: Perbill = Perbill::from_percent(75);
 	pub const MaximumBlockLength: u32 = 5 * 1024 * 1024;
 	pub const Version: RuntimeVersion = VERSION;