diff --git a/x/evm/types/params.go b/x/evm/types/params.go
index f18b65f4e5..2dd5563988 100644
--- a/x/evm/types/params.go
+++ b/x/evm/types/params.go
@@ -35,7 +35,7 @@ var (
 	// DefaultEnableCall enables contract calls (i.e true)
 	DefaultEnableCall = true
 	// DefaultHeaderHashNum defines the default number of header hash to persist.
-	DefaultHeaderHashNum = uint64(10000)
+	DefaultHeaderHashNum = uint64(256)
 )
 
 // NewParams creates a new Params instance