diff --git a/HLT/Trigger/TrigControl/TrigExamples/TrigExPartialEB/python/MTCalibPebConfig.py b/HLT/Trigger/TrigControl/TrigExamples/TrigExPartialEB/python/MTCalibPebConfig.py
index ffb90908cb75b923bfee7019eb5016522dd18a92..3ec760429f6007b268b9d36f54be85991d70e81c 100644
--- a/HLT/Trigger/TrigControl/TrigExamples/TrigExPartialEB/python/MTCalibPebConfig.py
+++ b/HLT/Trigger/TrigControl/TrigExamples/TrigExPartialEB/python/MTCalibPebConfig.py
@@ -306,7 +306,7 @@ def make_summary_algs(hypo_algs):
     summMaker.FinalStepDecisions = {}
     for hypo in hypo_algs:
         for tool in hypo.HypoTools:
-            summMaker.FinalStepDecisions[tool.getName()] = str(hypo.HypoOutputDecisions)
+            summMaker.FinalStepDecisions[tool.getName()] = [str(hypo.HypoOutputDecisions)]
     log.info('summMaker = %s', summMaker)
     return [summary, summMaker]