diff --git a/dcmihandler.cpp b/dcmihandler.cpp
index 6597865..31bca0c 100644
--- a/dcmihandler.cpp
+++ b/dcmihandler.cpp
@@ -1109,7 +1109,7 @@
             continue;
         }
 
-        uint16_t recordId = config.value("record_id", 0);
+        uint16_t recordId = reading.value("record_id", 0);
         responses.emplace_back(recordId);
     }