diff --git a/core/go/pkg/testbed/testbed_jsonrpc_actions.go b/core/go/pkg/testbed/testbed_jsonrpc_actions.go
index 4f93bc337..a63c398a2 100644
--- a/core/go/pkg/testbed/testbed_jsonrpc_actions.go
+++ b/core/go/pkg/testbed/testbed_jsonrpc_actions.go
@@ -423,7 +423,7 @@ func (tb *testbed) mapTransaction(ctx context.Context, tx *testbedTransaction) (
 	}
 
 	return &TransactionResult{
-		ID:                  tx.ID,
+		ID:                  tx.ptx.ID,
 		EncodedCall:         encodedCall,
 		PreparedTransaction: preparedTransaction,
 		PreparedMetadata:    tx.ptx.PreparedMetadata,