diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/configuration/AlgorithmConfiguration.java b/src/main/java/org/gcube/dataanalysis/ecoengine/configuration/AlgorithmConfiguration.java
index 1b04445..e17fc8b 100644
--- a/src/main/java/org/gcube/dataanalysis/ecoengine/configuration/AlgorithmConfiguration.java
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/configuration/AlgorithmConfiguration.java
@@ -52,7 +52,7 @@ public class AlgorithmConfiguration extends LexicalEngineConfiguration implement
 	public static String StatisticalManagerClass = "Services";
 	public static String listSeparator="#";
 	
-	private ClassLoader algorithmClassLoader;
+	private transient ClassLoader algorithmClassLoader;
 	
 	public static String getListSeparator() {
 		return listSeparator;