diff --git a/src/Tron/Serialization.cpp b/src/Tron/Serialization.cpp
index 41e82cb3a7c..989cac01ca2 100644
--- a/src/Tron/Serialization.cpp
+++ b/src/Tron/Serialization.cpp
@@ -291,7 +291,9 @@ json raw_dataJSON(const protocol::Transaction::raw& raw) {
     }
     raw_dataJSON["timestamp"] = raw.timestamp();
     raw_dataJSON["expiration"] = raw.expiration();
-    raw_dataJSON["data"] = hex(raw.data());
+    if (!raw.data().empty()) {
+        raw_dataJSON["data"] = hex(raw.data());
+    }
     raw_dataJSON["contract"] = json::array({contractJSON(raw.contract(0))});
 
     return raw_dataJSON;