From 7a215236364225d1f899a5cc7d814935a849c1b8 Mon Sep 17 00:00:00 2001
From: tmadlener <thomas.madlener@desy.de>
Date: Wed, 5 Jun 2024 13:27:47 +0200
Subject: [PATCH] Avoid unnecessary copy

---
 src/RNTupleWriter.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/RNTupleWriter.cc b/src/RNTupleWriter.cc
index cf84ff0a4..e2ce337f6 100644
--- a/src/RNTupleWriter.cc
+++ b/src/RNTupleWriter.cc
@@ -170,7 +170,7 @@ void RNTupleWriter::writeFrame(const podio::Frame& frame, const std::string& cat
     // &const_cast<podio::GenericParameters&>(frame.getParameters()));
   }
 
-  auto params = frame.getParameters();
+  const auto& params = frame.getParameters();
   fillParams<int>(params, catInfo, entry.get());
   fillParams<float>(params, catInfo, entry.get());
   fillParams<double>(params, catInfo, entry.get());