diff --git a/web/src/components/MyEMS/AuxiliarySystem/EnergyFlowDiagram.js b/web/src/components/MyEMS/AuxiliarySystem/EnergyFlowDiagram.js
index 51232e3f..7ae80801 100644
--- a/web/src/components/MyEMS/AuxiliarySystem/EnergyFlowDiagram.js
+++ b/web/src/components/MyEMS/AuxiliarySystem/EnergyFlowDiagram.js
@@ -50,8 +50,8 @@ const EnergyFlowDiagram = ({ setRedirect, setRedirectUrl, t }) => {
   // Query Parameters
   const [energyFlowDiagramList, setEnergyFlowDiagramList] = useState([]);
   const [selectedEnergyFlowDiagram, setSelectedEnergyFlowDiagram] = useState(undefined);
-  const [reportingPeriodBeginsDatetime, setReportingPeriodBeginsDatetime] = useState(current_moment.clone().startOf('month'));
-  const [reportingPeriodEndsDatetime, setReportingPeriodEndsDatetime] = useState(current_moment);
+  const [reportingPeriodBeginsDatetime, setReportingPeriodBeginsDatetime] = useState(current_moment.clone().subtract(1, 'months').startOf('month'));
+  const [reportingPeriodEndsDatetime, setReportingPeriodEndsDatetime] = useState(current_moment.clone().subtract(1, 'months').endOf('month'));
   const { isDark } = useContext(AppContext);
 
   // buttons