diff --git a/src/core/mod.rs b/src/core/mod.rs
index cd8b12873..5bc8d7753 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -106,7 +106,8 @@ pub const BITCOIN_MAINNET_FIRST_BLOCK_HASH: &str =
 pub const BITCOIN_MAINNET_INITIAL_REWARD_START_BLOCK: u64 = 651389;
 pub const BITCOIN_MAINNET_STACKS_2_05_BURN_HEIGHT: u64 = 713_000;
 pub const BITCOIN_MAINNET_STACKS_21_BURN_HEIGHT: u64 = 781_551;
-pub const BITCOIN_MAINNET_STACKS_22_BURN_HEIGHT: u64 = 787_700;
+/// This is Epoch-2.2 activation height proposed in SIP-022
+pub const BITCOIN_MAINNET_STACKS_22_BURN_HEIGHT: u64 = 787_651;
 
 pub const BITCOIN_TESTNET_FIRST_BLOCK_HEIGHT: u64 = 2000000;
 pub const BITCOIN_TESTNET_FIRST_BLOCK_TIMESTAMP: u32 = 1622691840;