diff --git a/params/config.go b/params/config.go
index 346a1caaff..28c73c0c57 100644
--- a/params/config.go
+++ b/params/config.go
@@ -993,7 +993,8 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 		IsEIP2929:        c.IsBerlin(num) && !isVerkle,
 		IsLondon:         c.IsLondon(num),
 		IsMerge:          isMerge,
-		IsShanghai:       isMerge && c.IsShanghai(num, timestamp),
+		// SYSCOIN
+		IsShanghai:       c.IsShanghai(num, timestamp),
 		IsCancun:         isMerge && c.IsCancun(num, timestamp),
 		IsPrague:         isMerge && c.IsPrague(num, timestamp),
 		IsVerkle:         isVerkle,