diff --git a/lib/cartodb/models/dataview/formula.js b/lib/cartodb/models/dataview/formula.js
index 1ce0050b..b6faeb55 100644
--- a/lib/cartodb/models/dataview/formula.js
+++ b/lib/cartodb/models/dataview/formula.js
@@ -2,32 +2,32 @@ const BaseDataview = require('./base');
 const debug = require('debug')('windshaft:dataview:formula');
 
 const countInfinitiesQueryTpl = ctx => `
-    SELECT count(1) FROM (${ctx._query}) __cdb_formula_infinities
-    WHERE ${ctx._column} = 'infinity'::float OR ${ctx._column} = '-infinity'::float
+    SELECT count(1) FROM (${ctx.query}) __cdb_formula_infinities
+    WHERE ${ctx.column} = 'infinity'::float OR ${ctx.column} = '-infinity'::float
 `;
 
 const countNansQueryTpl = ctx => `
-    SELECT count(1) FROM (${ctx._query}) __cdb_formula_nans
-    WHERE ${ctx._column} = 'NaN'::float
+    SELECT count(1) FROM (${ctx.query}) __cdb_formula_nans
+    WHERE ${ctx.column} = 'NaN'::float
 `;
 
 const filterOutSpecialNumericValuesTpl = ctx => `
     WHERE
-        ${ctx._column} != 'infinity'::float
+        ${ctx.column} != 'infinity'::float
     AND
-        ${ctx._column} != '-infinity'::float
+        ${ctx.column} != '-infinity'::float
     AND
-        ${ctx._column} != 'NaN'::float
+        ${ctx.column} != 'NaN'::float
 `;
 
 const formulaQueryTpl = ctx => `
     SELECT
-        ${ctx._operation}(${ctx._column}) AS result,
-        (SELECT count(1) FROM (${ctx._query}) _cdb_formula_nulls WHERE ${ctx._column} IS NULL) AS nulls_count
-        ${ctx._isFloatColumn ? `,(${countInfinitiesQueryTpl(ctx)}) AS infinities_count` : ''}
-        ${ctx._isFloatColumn ? `,(${countNansQueryTpl(ctx)}) AS nans_count` : ''}
-    FROM (${ctx._query}) __cdb_formula
-    ${ctx._isFloatColumn && ctx._operation !== 'count' ? `${filterOutSpecialNumericValuesTpl(ctx)}` : ''}
+        ${ctx.operation}(${ctx.column}) AS result,
+        (SELECT count(1) FROM (${ctx.query}) _cdb_formula_nulls WHERE ${ctx.column} IS NULL) AS nulls_count
+        ${ctx.isFloatColumn ? `,(${countInfinitiesQueryTpl(ctx)}) AS infinities_count` : ''}
+        ${ctx.isFloatColumn ? `,(${countNansQueryTpl(ctx)}) AS nans_count` : ''}
+    FROM (${ctx.query}) __cdb_formula
+    ${ctx.isFloatColumn && ctx.operation !== 'count' ? `${filterOutSpecialNumericValuesTpl(ctx)}` : ''}
 `;
 
 const VALID_OPERATIONS = {
@@ -93,10 +93,10 @@ module.exports = class Formula extends BaseDataview {
         }
 
         const formulaSql = formulaQueryTpl({
-            _isFloatColumn: this._isFloatColumn,
-            _query: this.query,
-            _operation: this.operation,
-            _column: this.column
+            isFloatColumn: this._isFloatColumn,
+            query: this.query,
+            operation: this.operation,
+            column: this.column
         });
 
         debug(formulaSql);