diff --git a/multiepoch-getTransaction.go b/multiepoch-getTransaction.go
index 74981ca..eeb7c7c 100644
--- a/multiepoch-getTransaction.go
+++ b/multiepoch-getTransaction.go
@@ -180,8 +180,7 @@ func (multi *MultiEpoch) handleGetTransaction(ctx context.Context, conn *request
 			if err != nil {
 				return nil, status.Errorf(codes.Internal, "Failed to get block: %v", err)
 			}
-			blocktimeasUint64 := uint64(blocktime)
-			response.Blocktime = &blocktimeasUint64
+			response.Blocktime = &blocktime
 		} else {
 			return &jsonrpc2.Error{
 				Code:    jsonrpc2.CodeInternalError,
diff --git a/storage.go b/storage.go
index f706eb7..b8469ca 100644
--- a/storage.go
+++ b/storage.go
@@ -113,7 +113,7 @@ type GetBlockResponse struct {
 
 type GetTransactionResponse struct {
 	// TODO: use same format as solana
-	Blocktime   *uint64            `json:"blockTime,omitempty"`
+	Blocktime   *int64             `json:"blockTime,omitempty"`
 	Meta        any                `json:"meta"`
 	Slot        *uint64            `json:"slot,omitempty"`
 	Transaction any                `json:"transaction"`