diff --git a/pkg/config/toml/defaults/Ronin_Saigon.toml b/pkg/config/toml/defaults/Ronin_Saigon.toml
index 48695a9ec0..89f3cfbf15 100644
--- a/pkg/config/toml/defaults/Ronin_Saigon.toml
+++ b/pkg/config/toml/defaults/Ronin_Saigon.toml
@@ -1,4 +1,4 @@
-ChainID = '2021'
+ChainID = '202601'
 FinalityTagEnabled = true
 # Ronin produces blocks every 3 seconds
 LogPollInterval = "3s"