diff --git a/simapp/v2/simdv2/cmd/testnet.go b/simapp/v2/simdv2/cmd/testnet.go
index 565e37ec51..4b9986a075 100644
--- a/simapp/v2/simdv2/cmd/testnet.go
+++ b/simapp/v2/simdv2/cmd/testnet.go
@@ -40,7 +40,7 @@ import (
 )
 
 var (
-	flagMinGasPrices      = "min-gas-prices"
+	flagMinGasPrices      = "minimum-gas-prices"
 	flagNodeDirPrefix     = "node-dir-prefix"
 	flagNumValidators     = "validator-count"
 	flagOutputDir         = "output-dir"