diff --git a/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js b/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js
index 50e3bc16..f9e0000f 100644
--- a/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js
+++ b/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js
@@ -71,7 +71,7 @@ function columnAggregations(field) {
 function addStat(queries, ctx, type, zoom, query, assign, assignDefault=null) {
     let sql;
     if (type === 'pre') {
-        sql = ctx. preQuery;
+        sql = ctx.preQuery;
     }
     else {
         sql = queryForZoom(ctx.aggrQuery, zoom);