diff --git a/include/classes/statistics.class.php b/include/classes/statistics.class.php
index c7b2c593..cd49caba 100644
--- a/include/classes/statistics.class.php
+++ b/include/classes/statistics.class.php
@@ -704,6 +704,7 @@ class Statistics extends Base {
     $stmt = $this->mysqli->prepare("
       SELECT
         timestamp,
+        FROM_UNIXTIME(timestamp, '%Y-%m-%d %T') AS time,
         hashrate
       FROM " . $this->getUserStatsTableName() . "
       WHERE
@@ -727,6 +728,7 @@ class Statistics extends Base {
     $stmt = $this->mysqli->prepare("
       SELECT
         timestamp,
+        FROM_UNIXTIME(timestamp, '%Y-%m-%d %T') AS time,
         SUM(hashrate) AS hashrate
         FROM " . $this->getUserStatsTableName() . "
       GROUP BY timestamp");
diff --git a/templates/bootstrap/statistics/graphs/default.tpl b/templates/bootstrap/statistics/graphs/default.tpl
index 65d03503..2b4c2699 100644
--- a/templates/bootstrap/statistics/graphs/default.tpl
+++ b/templates/bootstrap/statistics/graphs/default.tpl
@@ -13,7 +13,7 @@ $(function () {
         // ID of the element in which to draw the chart.
         element: 'mine-area-chart',
         data: {$YOURHASHRATES},
-        xkey: 'timestamp',
+        xkey: 'time',
         ykeys: ['hashrate'],
         labels: ['Hashrate'],
         pointSize: 2,
@@ -29,7 +29,7 @@ $(function () {
         // ID of the element in which to draw the chart.
         element: 'pool-area-chart',
         data: {$POOLHASHRATES},
-        xkey: 'timestamp',
+        xkey: 'time',
         ykeys: ['hashrate'],
         labels: ['Hashrate'],
         pointSize: 2,