diff --git a/Core/src/ca/uqac/lif/cep/Processor.java b/Core/src/ca/uqac/lif/cep/Processor.java
index ab8cae3e..c66b387b 100644
--- a/Core/src/ca/uqac/lif/cep/Processor.java
+++ b/Core/src/ca/uqac/lif/cep/Processor.java
@@ -1,6 +1,6 @@
 /*
     BeepBeep, an event stream processor
-    Copyright (C) 2008-2018 Sylvain Hallé
+    Copyright (C) 2008-2021 Sylvain Hallé
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as published
@@ -836,7 +836,7 @@ public final Processor read(ObjectReader<?> reader, Object o) throws ProcessorEx
     p.m_outputCount = ((Number) contents.get("output-count")).intValue();
     try
     {
-      ObjectReader.setField(p, "m_uniqueId", ((Number) contents.get("id")).intValue());
+      reader.setField(p, "m_uniqueId", ((Number) contents.get("id")).intValue());
     }
     catch (ReadException e)
     {