--- a/runtime/opal/src/lib.rs
+++ b/runtime/opal/src/lib.rs
@@ -216,15 +216,11 @@
 		.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
 		.build_or_panic();
 	pub const Version: RuntimeVersion = VERSION;
-	/*
-	255 - Quartz
-	42 - Opal
-	*/
-	pub const SS58Prefix: u8 = 255;
+	pub const SS58Prefix: u8 = 42;
 }
 
 parameter_types! {
-	pub const ChainId: u64 = 8881;
+	pub const ChainId: u64 = 8882;
 }
 
 pub struct FixedFee;