From 4edd41b38f58f4f5d35893106d4743cfd52883e3 Mon Sep 17 00:00:00 2001
From: Tucker Hwang <tucker_hwang@berkeley.edu>
Date: Wed, 9 Sep 2026 13:59:03 -0700
Subject: [PATCH] Fix type issue in BerkeleyTree

---
 PWGJE/TableProducer/berkeleyTreeProducer.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PWGJE/TableProducer/berkeleyTreeProducer.cxx b/PWGJE/TableProducer/berkeleyTreeProducer.cxx
index f763640628a..fe49ffdef91 100644
--- a/PWGJE/TableProducer/berkeleyTreeProducer.cxx
+++ b/PWGJE/TableProducer/berkeleyTreeProducer.cxx
@@ -51,7 +51,7 @@ DECLARE_SOA_COLUMN(DetPt, detPt, std::vector<float>);
 DECLARE_SOA_COLUMN(DetEta, detEta, std::vector<float>);
 DECLARE_SOA_COLUMN(DetPhi, detPhi, std::vector<float>);
 DECLARE_SOA_COLUMN(DetTrackSel, detTrackSel, std::vector<uint8_t>);
-DECLARE_SOA_COLUMN(DetMcId, detMcId, std::vector<int>);
+DECLARE_SOA_COLUMN(DetMcId, detMcId, std::vector<int64_t>);
 
 DECLARE_SOA_COLUMN(GenPt, genPt, std::vector<float>);
 DECLARE_SOA_COLUMN(GenEta, genEta, std::vector<float>);
@@ -146,7 +146,7 @@ struct BerkeleyTreeProducer {
 
     std::vector<float> detPt, detEta, detPhi;
     std::vector<uint8_t> detTrackSel;
-    std::vector<int> detMcId; // track.mcParticleId() returns int/int32_t
+    std::vector<int64_t> detMcId; // track.mcParticleId() returns int/int32_t, casting to int64_t
 
     std::vector<float> genPt, genEta, genPhi, genE;
     std::vector<int> genCharge, pdgId;