diff --git a/project.clj b/project.clj
index e443404..310b422 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject y42/clj-druid "0.2.11"
+(defproject y42/clj-druid "0.2.12"
   :description "Clojure library for Druid.io"
   :url "http://github.com/y42/clj-druid"
   :license {:name "Eclipse Public License"
diff --git a/src/clj_druid/schemas/aggregation.clj b/src/clj_druid/schemas/aggregation.clj
index 170bb80..6505b4e 100644
--- a/src/clj_druid/schemas/aggregation.clj
+++ b/src/clj_druid/schemas/aggregation.clj
@@ -54,20 +54,15 @@
    :name s/Str
    :fieldName s/Str})
 
+(declare aggregation)
+
 (s/defschema filteredAggregator
   "A filtered aggregator wraps any given aggregator, but only aggregates the values for which the given dimension filter matches.
 This makes it possible to compute the results of a filtered and an unfiltered aggregation simultaneously, without having to issue multiple queries, and use both results as part of post-aggregations."
   {:type (s/enum :filtered)
    :filter Filter
-   :aggregator (s/conditional
-                #(= :count (:type %)) countAggregator
-                #(= :longSum (:type %)) longSumAggregator
-                #(= :doubleSum (:type %)) doubleSumAggregator
-                #(= :min (:type %)) minAggregator
-                #(= :max (:type %)) maxAggregator
-                #(= :javascript (:type %)) javascriptAggregator
-                #(= :cardinality (:type %)) cardinalityAggregator
-                #(= :hyperUnique (:type %)) hyperUniqueAggregator)})
+   (s/optional-key :name) s/Str
+   :aggregator (s/recursive #'aggregation)})
 
 (s/defschema aggregation
   "Aggregations are specifications of processing over metrics available in Druid"
diff --git a/src/clj_druid/schemas/filter.clj b/src/clj_druid/schemas/filter.clj
index 71a9d9f..5ae604b 100644
--- a/src/clj_druid/schemas/filter.clj
+++ b/src/clj_druid/schemas/filter.clj
@@ -45,6 +45,8 @@ Selector filters can be used as the base filters for more complex Boolean expres
    #(= :regex (:type %)) regexFilter
    #(= :javascript (:type %)) javascriptFilter
    #(= :spatial (:type %)) spatialFilter
+   #(= :not  (:type %))  {:type  (s/enum :not)
+                          :field  (s/recursive #'Filter)}
    #(or (= :or (:type %))
         (= :and (:type %))) {:type (s/enum :or :and)
                              :fields [(s/recursive #'Filter)]}))
diff --git a/test/clj_druid/validations_test.clj b/test/clj_druid/validations_test.clj
index 95c6de6..a05cce4 100644
--- a/test/clj_druid/validations_test.clj
+++ b/test/clj_druid/validations_test.clj
@@ -104,13 +104,34 @@
                     :maxCoords [3 4]}}
    :pagingSpec {:pagingIdentifiers {} :threshold 5}})
 
-
 (def valid-topN-query
   (into valid-timeseries-query {:queryType :topN
                                 :dimension "dim1"
                                 :threshold 5
                                 :metric "count"}))
 
+(def valid-filtered-aggregation
+  {:queryType :timeseries
+   :dataSource "dev.supercell"
+   :granularity :all
+   :intervals ["2016-03-17T07:30:10.476/2016-03-17T08:30:10.476"]
+   :filter {:type :selector
+            :dimension "project_id"
+            :value "vgteam-TV_Shows"}
+   :aggregations [{:type :filtered
+                   :filter {:type :selector
+                            :dimension "img-adult"
+                            :value "false"}
+                   :aggregator {:type :filtered
+                                :aggregator {:type :longSum
+                                             :name "qualityRows"
+                                             :fieldName "count" }
+                                :filter {:type :not
+                                         :field {:type :selector
+                                                 :dimension "quality"
+                                                 :value nil}}
+                                :name "img-adult->false->qualityRows"}}]})
+
 (deftest test-valid-groupby-query
   (is (= (validate-groupby valid-groupby-query)
          valid-groupby-query)))
@@ -131,6 +152,10 @@
   (is (= (validate-timeseries valid-timeseries-query)
          valid-timeseries-query)))
 
+(deftest test-valid-filtered-aggregation
+  (is (= (validate-timeseries valid-filtered-aggregation)
+         valid-filtered-aggregation)))
+
 (deftest test-valid-topN-query
   (is (= (validate-topN valid-topN-query)
          valid-topN-query)))