From fc2241ece726eb6eb38e1f91d494c1adc9144a5c Mon Sep 17 00:00:00 2001
From: Alexey Rybalchenko <alexryba@gmail.com>
Date: Thu, 4 Mar 2021 12:47:33 +0100
Subject: [PATCH] Fix incorrect channel index passed to OnData callback

---
 fairmq/FairMQDevice.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fairmq/FairMQDevice.cxx b/fairmq/FairMQDevice.cxx
index 9c158702..bd21f342 100644
--- a/fairmq/FairMQDevice.cxx
+++ b/fairmq/FairMQDevice.cxx
@@ -644,7 +644,7 @@ bool FairMQDevice::HandleMultipartInput(const string& chName, const InputMultipa
     FairMQParts input;
 
     if (Receive(input, chName, i) >= 0) {
-        return callback(input, 0);
+        return callback(input, i);
     } else {
         return false;
     }