diff --git a/lib/cartodb/models/dataview/histogram.js b/lib/cartodb/models/dataview/histogram.js
index 42dd15d3..4cbfd0f1 100644
--- a/lib/cartodb/models/dataview/histogram.js
+++ b/lib/cartodb/models/dataview/histogram.js
@@ -5,7 +5,7 @@ var debug = require('debug')('windshaft:dataview:histogram');
 var dot = require('dot');
 dot.templateSettings.strip = false;
 
-var columnCastTpl = dot.template("date_part('epoch', {{=it.column}})");
+var columnCastTpl = ctx => `date_part('epoch', ${ctx.column})`
 
 const dateIntervalQueryTpl = ctx => `
     WITH