diff --git a/client/client.go b/client/client.go
index 334519e..459101c 100644
--- a/client/client.go
+++ b/client/client.go
@@ -19,27 +19,24 @@ type MempoolInfo struct {
 }
 
 type Block struct {
-	Hash      string  `json:"hash"`
-	Height    int     `json:"height"`
-	NTx       int     `json:"nTx"`
-	Size      int     `json:"size"`
-	Time      int     `json:"time"`
-	Weight    int     `json:"weight"`
-	Fees      float64 `json:"fees"`
-	MinFee    float64 `json:"minFee"`
-	MaxFee    float64 `json:"maxFee"`
-	MedianFee float64 `json:"medianFee"`
+	ID        string    `json:"id"`
+	Height    int       `json:"height"`
+	TxCount   int       `json:"tx_count"`
+	Size      int       `json:"size"`
+	Time      int       `json:"timestamp"`
+	Weight    int       `json:"weight"`
+	FeeRange  []float64 `json:"fee_range"`
+	MedianFee float64   `json:"medianFee"`
 }
 
 type MempoolBlock struct {
 	BlockSize    int       `json:"blockSize"`
-	BlockWeight  int       `json:"blockWeight"`
+	BlockWeight  float64   `json:"blockVSize"`
 	NTx          int       `json:"nTx"`
-	FeeRange     []float64 `json:"feeRange"`
 	MinWeigthFee float64   `json:"minWeigthFee"`
 	MaxWeigthFee float64   `json:"maxWeigthFee"`
 	MedianFee    float64   `json:"medianFee"`
-	Fees         float64   `json:"fees"`
+	FeeRange     []float64 `json:"feeRange"`
 	HasMyTx      bool      `json:"hasMytx"`
 }
 
diff --git a/ui/blocks.go b/ui/blocks.go
index 691d182..535e063 100644
--- a/ui/blocks.go
+++ b/ui/blocks.go
@@ -60,7 +60,10 @@ func (b MempoolBlock) Print(n int, x, _y int) []byte {
 		footer = fmt.Sprintf("+%d blocks", n)
 	}
 
-	min, max := b.FeeRange[0], b.FeeRange[len(b.FeeRange)-1]
+	var min, max float64
+	if len(b.FeeRange) > 2 {
+		min, max = b.FeeRange[0], b.FeeRange[len(b.FeeRange)-1]
+	}
 	box := &Box{x: x}
 	box.Printf(color.FgWhite, "~%d sat/vB", ceil(b.MedianFee)).
 		Printf(color.FgYellow, "%d-%d sat/vB", ceil(min), ceil(max)).
@@ -76,7 +79,7 @@ func (b MempoolBlock) Print(n int, x, _y int) []byte {
 	var full int
 	if n < 3 {
 		full = int(
-			float64(b.BlockWeight) / 4_000_000 * 10,
+			float64(b.BlockWeight) / 1_000_000 * 10,
 		)
 	}
 
@@ -89,11 +92,15 @@ func (b Block) Print(n int, x, _y int) []byte {
 	ago := time.Now().Unix() - int64(b.Time)
 	box := &Box{x: x}
 
+	var min, max float64
+	if len(b.FeeRange) > 2 {
+		min, max = b.FeeRange[0], b.FeeRange[len(b.FeeRange)-1]
+	}
 	box.Printf(color.FgWhite, "~%d sat/Vb", ceil(b.MedianFee)).
-		Printf(color.FgYellow, "%d-%d sat/vB", ceil(b.MinFee), ceil(b.MaxFee)).
+		Printf(color.FgYellow, "%d-%d sat/vB", ceil(min), ceil(max)).
 		Append("").
 		Printf(color.FgWhite, "%.2f MB", float64(b.Size)/(1000*1000)).
-		Printf(color.FgWhite, " %4d transactions", b.NTx).
+		Printf(color.FgWhite, " %4d transactions", b.TxCount).
 		Append("").
 		Append("").
 		Append("").