diff --git a/gql/util.go b/gql/util.go
index f230f18e..3aa3d08b 100644
--- a/gql/util.go
+++ b/gql/util.go
@@ -233,9 +233,9 @@ func GetGQLAuction(auction *auctiontypes.Auction, bids []*auctiontypes.Bid) (*Au
 	}
 
 	winnerAddresses := make([]*string, len(auction.WinnerAddresses))
-	for i := range auction.WinnerAddresses {
-		addr := auction.WinnerAddresses[i]
-		winnerAddresses[i] = &addr
+	for i, winnerAddress := range auction.WinnerAddresses {
+		address := winnerAddress
+		winnerAddresses[i] = &address
 	}
 
 	numProviders := int(auction.NumProviders)
diff --git a/tests/integration/auction/keeper/query_server_test.go b/tests/integration/auction/keeper/query_server_test.go
index 2980722d..1a8c8b53 100644
--- a/tests/integration/auction/keeper/query_server_test.go
+++ b/tests/integration/auction/keeper/query_server_test.go
@@ -341,6 +341,7 @@ func (kts *KeeperTestSuite) createAuctionAndCommitBid(commitBid bool) (*types.Au
 			params.RevealFee,
 			params.MinimumBid,
 			sdk.Coin{},
+			int32(1),
 			types.AuctionKindVickrey,
 			accounts[0],
 		),
diff --git a/x/auction/client/cli/tx.go b/x/auction/client/cli/tx.go
index a170b287..30423244 100644
--- a/x/auction/client/cli/tx.go
+++ b/x/auction/client/cli/tx.go
@@ -4,6 +4,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"os"
+	"strconv"
 	"time"
 
 	"github.com/cosmos/cosmos-sdk/client"
@@ -173,7 +174,11 @@ func GetCmdCreateAuction() *cobra.Command {
 
 			kind := args[6]
 
-			numProviders := args[7]
+			numProvidersInt, err := strconv.Atoi(args[7])
+			if err != nil {
+				return fmt.Errorf("invalid num-providers value: %w", err)
+			}
+			numProviders := int32(numProvidersInt)
 
 			msg := auctiontypes.NewMsgCreateAuction(
 				commitsDuration,
diff --git a/x/auction/keeper/keeper.go b/x/auction/keeper/keeper.go
index 13498505..a884bfbe 100644
--- a/x/auction/keeper/keeper.go
+++ b/x/auction/keeper/keeper.go
@@ -531,7 +531,11 @@ func (k Keeper) RevealBid(ctx sdk.Context, msg auctiontypes.MsgRevealBid) (*auct
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Invalid reveal bid amount.")
 	}
 
-	if bidAmount.IsLT(auction.MinimumBid) {
+	if auction.Kind == "vickrey" && bidAmount.IsLT(auction.MinimumBid) {
+		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Bid is lower than minimum bid.")
+	}
+
+	if auction.Kind == "service_provider" && bidAmount.IsGTE(auction.MaxPrice) {
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Bid is lower than minimum bid.")
 	}
 
@@ -708,8 +712,8 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 	auction.Status = auctiontypes.AuctionStatusCompleted
 
 	if highestBid != nil {
-		winnerAddresses := make([]string, 1)
-		auction.WinnerAddresses = winnerAddresses
+		auction.WinningBids = []sdk.Coin{highestBid.BidAmount}
+		auction.WinnerAddresses = []string{highestBid.BidderAddress}
 		// Winner pays 2nd price, if a 2nd price exists.
 		auction.WinningPrice = highestBid.BidAmount
 		if secondHighestBid != nil {
@@ -895,22 +899,22 @@ func (k Keeper) pickServiceProviderAuctionWinners(ctx sdk.Context, auction *auct
 				panic(sdkErr)
 			}
 
-			// Send back extra amount to auction creator
-			totalLockedAmount := auction.MaxPrice.Amount.Mul(math.NewInt(int64(auction.NumProviders)))
-			totalAmountPaid := auction.WinningPrice.Amount.Mul(math.NewInt(int64(auction.NumProviders)))
+		}
+		// Send back extra amount to auction creator
+		totalLockedAmount := auction.MaxPrice.Amount.Mul(math.NewInt(int64(auction.NumProviders)))
+		totalAmountPaid := auction.WinningPrice.Amount.Mul(math.NewInt(int64(auction.NumProviders)))
 
-			extraAmountCoin := sdk.NewCoin(auction.MaxPrice.Denom, totalLockedAmount.Sub(totalAmountPaid))
+		extraAmountCoin := sdk.NewCoin(auction.MaxPrice.Denom, totalLockedAmount.Sub(totalAmountPaid))
 
-			sdkErr = k.bankKeeper.SendCoinsFromModuleToAccount(
-				ctx,
-				auctiontypes.ModuleName,
-				sdk.AccAddress(auction.OwnerAddress),
-				sdk.NewCoins(extraAmountCoin),
-			)
-			if sdkErr != nil {
-				k.Logger(ctx).Error(fmt.Sprintf("Auction error returning extra locked amount: %v", sdkErr))
-				panic(sdkErr)
-			}
+		sdkErr := k.bankKeeper.SendCoinsFromModuleToAccount(
+			ctx,
+			auctiontypes.ModuleName,
+			sdk.AccAddress(auction.OwnerAddress),
+			sdk.NewCoins(extraAmountCoin),
+		)
+		if sdkErr != nil {
+			k.Logger(ctx).Error(fmt.Sprintf("Auction error returning extra locked amount: %v", sdkErr))
+			panic(sdkErr)
 		}
 	} else {
 		totalLockedAmount := sdk.NewCoin(auction.MaxPrice.Denom, auction.MaxPrice.Amount.Mul(math.NewInt(int64(auction.NumProviders))))
diff --git a/x/registry/keeper/naming_keeper.go b/x/registry/keeper/naming_keeper.go
index d0c9c7ca..4358d5ec 100644
--- a/x/registry/keeper/naming_keeper.go
+++ b/x/registry/keeper/naming_keeper.go
@@ -295,6 +295,7 @@ func (k Keeper) createAuthority(ctx sdk.Context, name string, owner string, isRo
 			moduleParams.AuthorityAuctionRevealFee,
 			moduleParams.AuthorityAuctionMinimumBid,
 			sdk.NewCoin("alnt", math.NewInt(0)),
+			int32(1),
 			auctiontypes.AuctionKindVickrey,
 			ownerAddress,
 		)