diff --git a/helium/middleware.go b/helium/middleware.go
index 037b706..e18adcb 100644
--- a/helium/middleware.go
+++ b/helium/middleware.go
@@ -78,7 +78,7 @@ func GetBlock(blockIdentifier *types.PartialBlockIdentifier) (*types.Block, *typ
 
 	var processedTxs []*types.Transaction
 	for _, tx := range result.Transactions {
-		ptx, txErr := GetTransaction(tx)
+		ptx, txErr := GetTransaction(fmt.Sprint(tx["hash"]))
 		if txErr != nil {
 			return nil, txErr
 		}
diff --git a/helium/types.go b/helium/types.go
index ff822b5..1cdad10 100644
--- a/helium/types.go
+++ b/helium/types.go
@@ -423,11 +423,11 @@ var (
 )
 
 type Block struct {
-	Hash         string   `json:"hash"`
-	Height       int64    `json:"height"`
-	PrevHash     string   `json:"prev_hash"`
-	Time         int64    `json:"time"`
-	Transactions []string `json:"transactions"`
+	Hash         string                   `json:"hash"`
+	Height       int64                    `json:"height"`
+	PrevHash     string                   `json:"prev_hash"`
+	Time         int64                    `json:"time"`
+	Transactions []map[string]interface{} `json:"transactions"`
 }
 
 type Peer struct {