diff --git a/src/slic3r/GUI/DeviceCore/DevNozzleSystem.cpp b/src/slic3r/GUI/DeviceCore/DevNozzleSystem.cpp
index 0fbfa4766a..30305df992 100644
--- a/src/slic3r/GUI/DeviceCore/DevNozzleSystem.cpp
+++ b/src/slic3r/GUI/DeviceCore/DevNozzleSystem.cpp
@@ -98,7 +98,7 @@ void DevNozzleSystemParser::ParseV1_0(const nlohmann::json& nozzletype_json,
         }
     }
 
-    system->m_nozzles.emplace(0, nozzle);
+    system->m_nozzles[nozzle.m_nozzle_id] = nozzle;
 }