diff --git a/lib/cartodb/models/aggregation/aggregation-query.js b/lib/cartodb/models/aggregation/aggregation-query.js
index 4d964171..a455e02a 100644
--- a/lib/cartodb/models/aggregation/aggregation-query.js
+++ b/lib/cartodb/models/aggregation/aggregation-query.js
@@ -276,23 +276,24 @@ const spatialFilter = `
 // * This queries are used for rendering and the_geom is omitted in the results for better performance
 // * If the MVT extent or tile buffer was 0 or a multiple of the resolution we could use directly
 //   the bbox for them, but in general we need to find the nearest cell limits inside the bbox.
-// * bbox coordinates can have an error in the last digites; we apply a small correction before
-//   applying CEIL or FLOOR to compensate for this.
+// * bbox coordinates can have an error in the last digits; we apply a small correction before
+//   applying CEIL or FLOOR to compensate for this, so that coordinates closer than a small (`eps`)
+//   fraction of the cell size to a cell limit are moved to the exact limit.
 const sqlParams = (ctx) => `
 _cdb_res AS (
     SELECT
     ${gridResolution(ctx)} AS res,
     !bbox! AS bbox,
-    (2*2.220446049250313e-16::double precision) AS eps
+    (1E-6::double precision) AS eps
 ),
 _cdb_params AS (
     SELECT
       res,
       bbox,
-      CEIL((ST_XMIN(bbox) - eps*ABS(ST_XMIN(bbox)))/res)*res AS xmin,
-      FLOOR((ST_XMAX(bbox) + eps*ABS(ST_XMAX(bbox)))/res)*res AS xmax,
-      CEIL((ST_YMIN(bbox) - eps*ABS(ST_YMIN(bbox)))/res)*res AS ymin,
-      FLOOR((ST_YMAX(bbox) + eps*ABS(ST_YMAX(bbox)))/res)*res AS ymax
+      CEIL((ST_XMIN(bbox) - eps*res)/res)*res AS xmin,
+      FLOOR((ST_XMAX(bbox) + eps*res)/res)*res AS xmax,
+      CEIL((ST_YMIN(bbox) - eps*res)/res)*res AS ymin,
+      FLOOR((ST_YMAX(bbox) + eps*res)/res)*res AS ymax
       FROM _cdb_res
 )
 `;