diff --git a/electrum/commands.py b/electrum/commands.py
index c06cc6126..01a8841ac 100644
--- a/electrum/commands.py
+++ b/electrum/commands.py
@@ -701,6 +701,8 @@ class Commands:
                 tx = Transaction(raw)
             else:
                 raise Exception("Unknown transaction")
+        if tx.txid() != txid:
+            raise Exception("Mismatching txid")
         return tx.as_dict()
 
     @command('')