diff --git a/src/main.cc b/src/main.cc
index 90dabaf..36f3892 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -334,7 +334,7 @@ NAN_METHOD(construct_mm_parent_block_blob) { // (parentBlockTemplate, blob_type,
     block b = AUTO_VAL_INIT(b);
     b.set_blob_type(blob_type);
     if (!parse_and_validate_block_from_blob(input, b)) return THROW_ERROR_EXCEPTION("construct_mm_parent_block_blob: Failed to parse prent block");
-    b.set_blob_type(BLOB_TYPE_CRYPTONOTE);
+    if (blob_type == BLOB_TYPE_CRYPTONOTE_LOKI) b.miner_tx.version = cryptonote::loki_version_0;
 
     block b2 = AUTO_VAL_INIT(b2);
     b2.set_blob_type(BLOB_TYPE_FORKNOTE2);