diff --git a/common/source/java/ch/systemsx/cisd/common/spring/WhiteListCodebaseAwareObjectInputStream.java b/common/source/java/ch/systemsx/cisd/common/spring/WhiteListCodebaseAwareObjectInputStream.java
index 342b9e90c93a089ef9d3a60ec95b7d1dce4cc332..820fb36c76ff56ce0812012665bb0ffd7855beee 100644
--- a/common/source/java/ch/systemsx/cisd/common/spring/WhiteListCodebaseAwareObjectInputStream.java
+++ b/common/source/java/ch/systemsx/cisd/common/spring/WhiteListCodebaseAwareObjectInputStream.java
@@ -51,6 +51,7 @@ public class WhiteListCodebaseAwareObjectInputStream extends CodebaseAwareObject
         addToWhiteListPatterns("com\\.marathon\\.util\\.spring\\.StreamSupportingRemoteInvocation");
         addToWhiteListPatterns("com\\.marathon\\.util\\.spring\\.RemoteInvocationDecorator");
         addToWhiteListPatterns("java\\..*");
+        addToWhiteListPatterns("org\\.python\\.core\\.PyList");
         addToWhiteListPatterns("ch\\.ethz\\.sis\\..*");
         addToWhiteListPatterns("ch\\.systemsx\\.cisd\\..*");
     }