diff --git a/tracetools_analysis/tracetools_analysis/processor/__init__.py b/tracetools_analysis/tracetools_analysis/processor/__init__.py
index 556b10d..cef2e23 100644
--- a/tracetools_analysis/tracetools_analysis/processor/__init__.py
+++ b/tracetools_analysis/tracetools_analysis/processor/__init__.py
@@ -424,9 +424,9 @@ class AutoProcessor():
         :param events: the list of events to process
         :param kwargs: the kwargs to provide when instanciating EventHandler subclasses
         """
-        handlers = self.get_applicable_event_handlers(events)
+        self.handlers = self.get_applicable_event_handlers(events)
         Processor(
-            *handlers,
+            *self.handlers,
             **kwargs,
         ).process(events)