diff --git a/index.js b/index.js
index fbdf9097ebf381aa517fd97aba49dec9f6abafd3..c657a5e39977c5b329026d8b83ab6e7ea5837f51 100644
--- a/index.js
+++ b/index.js
@@ -238,11 +238,15 @@ async function startLoadDataProcess(token, usagePointID) {
     for (var i = 0; i < 4; i++) {
       const increamentedStartDate = startLoadDate
       const incrementedEndDate = endDate
+      const increamentedStartDateString = increamentedStartDate.subtract(7 * i, 'day').format('YYYY-MM-DD')
+      const incrementedEndDateString = incrementedEndDate.subtract(7 * i, 'day').format('YYYY-MM-DD')
+      log('info', 'LOGGGGGG increamentedStartDateString ' + increamentedStartDateString)
+      log('info', 'LOGGGGGG incrementedEndDateString ' + incrementedEndDateString)
       await launchLoadDataProcess(
         token,
         usagePointID,
-        increamentedStartDate.subtract(7 * i, 'day').format('YYYY-MM-DD'),
-        incrementedEndDate.subtract(7 * i, 'day').format('YYYY-MM-DD')
+        increamentedStartDateString,
+        incrementedEndDate
       )
     }
   }