diff --git a/old-faithful-proto/proto/old-faithful.proto b/old-faithful-proto/proto/old-faithful.proto
index c79f98e3..0985d679 100644
--- a/old-faithful-proto/proto/old-faithful.proto
+++ b/old-faithful-proto/proto/old-faithful.proto
@@ -6,8 +6,8 @@ option go_package = "github.com/rpcpool/yellowstone-faithful/old-faithful-proto;
 service OldFaithful {
   rpc GetVersion(VersionRequest) returns (VersionResponse);
 
-  rpc GetBlockTime(BlockTimeRequest) returns (BlockTimeResponse);
   rpc GetBlock(BlockRequest) returns (BlockResponse);
+  rpc GetBlockTime(BlockTimeRequest) returns (BlockTimeResponse);
   rpc GetTransaction(TransactionRequest) returns (TransactionResponse);
 
   rpc Get(stream GetRequest) returns (stream GetResponse);
@@ -19,14 +19,6 @@ message VersionResponse {
   string version = 1;
 }
 
-message BlockTimeRequest {
-  uint64 slot = 1;
-}
-
-message BlockTimeResponse {
-  uint64 block_time = 1;
-}
-
 message BlockRequest {
   uint64 slot = 1;
 }
@@ -42,6 +34,14 @@ message BlockResponse {
   bytes rewards = 8; // protobuf or bincode (or empty)
 }
 
+message BlockTimeRequest {
+  uint64 slot = 1;
+}
+
+message BlockTimeResponse {
+  int64 block_time = 1;
+}
+
 message TransactionRequest {
   bytes signature = 1;
 }