diff --git a/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js b/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js
index 64e28652..d5f841b8 100644
--- a/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js
+++ b/lib/cartodb/backends/layer-stats/mapnik-layer-stats.js
@@ -87,7 +87,8 @@ function _aggrFeatureCount(ctx) {
 function _geometryType(ctx) {
     if (ctx.metaOptions.geometryType) {
         const geometryColumn = AggregationMapConfig.getAggregationGeometryColumn();
-        return queryUtils.queryPromise(ctx.dbConnection, _getSQL(ctx, sql => queryUtils.getQueryGeometryType(sql, geometryColumn)))
+        const sqlQuery = _getSQL(ctx, sql => queryUtils.getQueryGeometryType(sql, geometryColumn));
+        return queryUtils.queryPromise(ctx.dbConnection, sqlQuery)
             .then(res => ({ geometryType: res.rows[0].geom_type }));
     }
     return Promise.resolve();