diff --git a/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java b/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java
index 1d3e50f7..3e952acf 100644
--- a/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java
+++ b/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java
@@ -787,7 +787,7 @@ private static Facet getMongoDBFacet(String field, Accumulator accumulator, List
 //                                id,
 //                                Accumulators.sum("size", "$size")
 //                        )));
-//                break;
+                break;
             }
             case sum: {
                 facet = new Facet(field + SUM_SUFFIX, Arrays.asList(Aggregates.group(field, Accumulators.sum(sum.name(), id))));