diff --git a/lib/cartodb/models/dataview/histogram.js b/lib/cartodb/models/dataview/histogram.js
index e14aa4d1..17921776 100644
--- a/lib/cartodb/models/dataview/histogram.js
+++ b/lib/cartodb/models/dataview/histogram.js
@@ -155,7 +155,6 @@ var dateHistogramQueryTpl = dot.template([
     '        bins_number',
     '      )) - 1',
     '    END AS bin,',
-    '    date_part(\'epoch\', start_date)::numeric AS bins_start,',
     '    min(date_part(',
     '       \'epoch\', ',
     '       date_trunc(\'{{=it._aggregation}}\', d AT TIME ZONE \'{{=it._timezone}}\'',
@@ -385,7 +384,11 @@ Histogram.prototype.format = function(result, override) {
         width = firstRow.bin_width || width;
         avg = firstRow.avg_val;
         nulls = firstRow.nulls_count;
-        binsStart = override.hasOwnProperty('start') ? getBinStart(override) : firstRow.min;
+        binsStart = override.hasOwnProperty('start') ?
+            getBinStart(override) :
+            firstRow.hasOwnProperty('timestamp') ?
+            firstRow.timestamp :
+            firstRow.min;
 
         buckets = result.rows.map(function(row) {
             return _.omit(row, 'bins_number', 'bin_width', 'nulls_count', 'avg_val', 'bins_start');