diff --git a/Trigger/TrigMonitoring/TrigJetMonitoring/python/TrigJetMonitorAlgorithm.py b/Trigger/TrigMonitoring/TrigJetMonitoring/python/TrigJetMonitorAlgorithm.py
index 03b0c440600c75f3c5d70e5bee4e0327104a3932..d5abafd7da39a67824a1b1584093318eefffc5eb 100644
--- a/Trigger/TrigMonitoring/TrigJetMonitoring/python/TrigJetMonitorAlgorithm.py
+++ b/Trigger/TrigMonitoring/TrigJetMonitoring/python/TrigJetMonitorAlgorithm.py
@@ -287,6 +287,7 @@ def jetChainMonitoringConfig(inputFlags,jetcoll,chain,athenaMT):
            "m",
            "eta",
            "et",
+           "phi",
            # we pass directly the ToolSpec
            ToolSpec('JetHistoTriggEfficiency', chain,
                     # below we pass the Properties of this JetHistoTriggEfficiency tool :