diff --git a/module/metric/calc/system/hour/day_of_daily_effort.php b/module/metric/calc/system/hour/day_of_daily_effort.php
index 6703a7805b..a58e459017 100644
--- a/module/metric/calc/system/hour/day_of_daily_effort.php
+++ b/module/metric/calc/system/hour/day_of_daily_effort.php
@@ -36,7 +36,7 @@ class day_of_daily_effort extends baseCalc
             ->from(TABLE_EFFORT)
             ->where('deleted')->eq('0')
             ->andWhere('year(date)')->ne('0000')
-            ->groupBy('`year`, `month`, `day`')
+            ->groupBy('`year`, `month`, `day`, date')
             ->query();
     }
 
diff --git a/module/metric/calc/system/hour/hour_of_daily_effort.php b/module/metric/calc/system/hour/hour_of_daily_effort.php
index 89d43c75b1..35787254f4 100644
--- a/module/metric/calc/system/hour/hour_of_daily_effort.php
+++ b/module/metric/calc/system/hour/hour_of_daily_effort.php
@@ -30,7 +30,7 @@ class hour_of_daily_effort extends baseCalc
             ->from(TABLE_EFFORT)
             ->where('deleted')->eq('0')
             ->andWhere('year(date)')->ne('0000')
-            ->groupBy('`year`, `month`, `day`')
+            ->groupBy('`year`, `month`, `day`, date')
             ->query();
     }