diff --git a/tests/e2e/auction/suite.go b/tests/e2e/auction/suite.go
index e055f5d7..94285a48 100644
--- a/tests/e2e/auction/suite.go
+++ b/tests/e2e/auction/suite.go
@@ -103,10 +103,13 @@ func (ets *E2ETestSuite) createAuctionAndBid(createAuction, createBid bool) stri
 
 	if createAuction {
 		auctionArgs := []string{
+			types.AuctionKindVickrey,
 			sampleCommitTime, sampleRevealTime,
 			fmt.Sprintf("10%s", ets.cfg.BondDenom),
 			fmt.Sprintf("10%s", ets.cfg.BondDenom),
 			fmt.Sprintf("100%s", ets.cfg.BondDenom),
+			fmt.Sprintf("0%s", ets.cfg.BondDenom),
+			"0",
 		}
 
 		resp, err := ets.executeTx(cli.GetCmdCreateAuction(), auctionArgs, ownerAccount)
diff --git a/tests/e2e/auction/tx.go b/tests/e2e/auction/tx.go
index f259f539..1c33a073 100644
--- a/tests/e2e/auction/tx.go
+++ b/tests/e2e/auction/tx.go
@@ -46,10 +46,13 @@ func (ets *E2ETestSuite) TestTxCommitBid() {
 		ets.Run(fmt.Sprintf("Case %s", test.msg), func() {
 			if test.createAuction {
 				auctionArgs := []string{
+					auctiontypes.AuctionKindVickrey,
 					sampleCommitTime, sampleRevealTime,
 					fmt.Sprintf("10%s", ets.cfg.BondDenom),
 					fmt.Sprintf("10%s", ets.cfg.BondDenom),
 					fmt.Sprintf("100%s", ets.cfg.BondDenom),
+					fmt.Sprintf("0%s", ets.cfg.BondDenom),
+					"0",
 				}
 
 				resp, err := ets.executeTx(cli.GetCmdCreateAuction(), auctionArgs, ownerAccount)
diff --git a/x/auction/client/cli/tx.go b/x/auction/client/cli/tx.go
index 2f094b78..4e285f37 100644
--- a/x/auction/client/cli/tx.go
+++ b/x/auction/client/cli/tx.go
@@ -174,11 +174,10 @@ func GetCmdCreateAuction() *cobra.Command {
 				return err
 			}
 
-			numProvidersInt, err := strconv.Atoi(args[7])
+			numProviders, err := strconv.ParseInt(args[7], 10, 32)
 			if err != nil {
 				return err
 			}
-			numProviders := int32(numProvidersInt)
 
 			msg := auctiontypes.NewMsgCreateAuction(
 				kind,
@@ -188,7 +187,7 @@ func GetCmdCreateAuction() *cobra.Command {
 				revealFee,
 				minimumBid,
 				maxPrice,
-				numProviders,
+				int32(numProviders),
 				clientCtx.GetFromAddress(),
 			)
 			err = msg.ValidateBasic()