diff --git a/x/pricefeed/keeper/querier.go b/x/pricefeed/keeper/querier.go
index db610e23..112444ea 100644
--- a/x/pricefeed/keeper/querier.go
+++ b/x/pricefeed/keeper/querier.go
@@ -41,7 +41,7 @@ func queryPrice(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []by
 	}
 	_, found := keeper.GetMarket(ctx, requestParams.MarketID)
 	if !found {
-		return []byte{}, sdkerrors.Wrap(types.ErrAssetNotFound, requestParams.MarketID)
+		return nil, sdkerrors.Wrap(types.ErrAssetNotFound, requestParams.MarketID)
 	}
 	currentPrice, sdkErr := keeper.GetCurrentPrice(ctx, requestParams.MarketID)
 	if sdkErr != nil {
@@ -72,7 +72,7 @@ func queryRawPrices(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res
 	}
 	_, found := keeper.GetMarket(ctx, requestParams.MarketID)
 	if !found {
-		return []byte{}, sdkerrors.Wrap(types.ErrAssetNotFound, requestParams.MarketID)
+		return nil, sdkerrors.Wrap(types.ErrAssetNotFound, requestParams.MarketID)
 	}
 
 	rawPrices, err := keeper.GetRawPrices(ctx, requestParams.MarketID)
@@ -97,7 +97,7 @@ func queryOracles(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []
 
 	oracles, err := keeper.GetOracles(ctx, requestParams.MarketID)
 	if err != nil {
-		return []byte{}, sdkerrors.Wrap(types.ErrAssetNotFound, requestParams.MarketID)
+		return nil, sdkerrors.Wrap(types.ErrAssetNotFound, requestParams.MarketID)
 	}
 
 	bz, err := codec.MarshalJSONIndent(types.ModuleCdc, oracles)