diff --git a/cmd/tomo/config.go b/cmd/tomo/config.go
index 59cc910972..dd86d3ac3c 100644
--- a/cmd/tomo/config.go
+++ b/cmd/tomo/config.go
@@ -162,6 +162,14 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, tomoConfig) {
 		common.RollbackHash = common.HexToHash(rollbackHash)
 	}
 
+	// Check GasPrice
+	common.MinGasPrice = common.DefaultMinGasPrice
+	if ctx.GlobalIsSet(utils.GasPriceFlag.Name) {
+		if gasPrice := int64(ctx.GlobalInt(utils.GasPriceFlag.Name)); gasPrice > common.DefaultMinGasPrice {
+			common.MinGasPrice = gasPrice
+		}
+	}
+
 	// read passwords from environment
 	passwords := []string{}
 	for _, env := range cfg.Account.Passwords {
diff --git a/common/constants.go b/common/constants.go
index 4f64c40ed6..480c9ecbba 100644
--- a/common/constants.go
+++ b/common/constants.go
@@ -16,7 +16,7 @@ const (
 	LimitPenaltyEpoch          = 4
 	BlocksPerYear              = uint64(15768000)
 	LimitThresholdNonceInQueue = 10
-	MinGasPrice                = 2500
+	DefaultMinGasPrice         = 2500
 	MergeSignRange             = 15
 )
 
@@ -24,3 +24,4 @@ var TIP2019Block = big.NewInt(1050000)
 var IsTestnet bool = false
 var StoreRewardFolder string
 var RollbackHash Hash
+var MinGasPrice int64