diff --git a/quickwit/quickwit-query/src/elastic_query_dsl/bool_query.rs b/quickwit/quickwit-query/src/elastic_query_dsl/bool_query.rs
index 0b23b371151..01914223504 100644
--- a/quickwit/quickwit-query/src/elastic_query_dsl/bool_query.rs
+++ b/quickwit/quickwit-query/src/elastic_query_dsl/bool_query.rs
@@ -19,7 +19,7 @@
 
 use serde::Deserialize;
 use serde_with::formats::PreferMany;
-use serde_with::{serde_as, OneOrMany};
+use serde_with::{serde_as, DefaultOnNull, OneOrMany};
 
 use crate::elastic_query_dsl::{ConvertableToQueryAst, ElasticQueryDslInner};
 use crate::not_nan_f32::NotNaNf32;
@@ -32,16 +32,16 @@ use crate::query_ast::{self, QueryAst};
 #[derive(Deserialize, Debug, PartialEq, Eq, Clone)]
 #[serde(deny_unknown_fields)]
 pub struct BoolQuery {
-    #[serde_as(deserialize_as = "OneOrMany<_, PreferMany>")]
+    #[serde_as(deserialize_as = "DefaultOnNull<OneOrMany<_, PreferMany>>")]
     #[serde(default)]
     must: Vec<ElasticQueryDslInner>,
-    #[serde_as(deserialize_as = "OneOrMany<_, PreferMany>")]
+    #[serde_as(deserialize_as = "DefaultOnNull<OneOrMany<_, PreferMany>>")]
     #[serde(default)]
     must_not: Vec<ElasticQueryDslInner>,
-    #[serde_as(deserialize_as = "OneOrMany<_, PreferMany>")]
+    #[serde_as(deserialize_as = "DefaultOnNull<OneOrMany<_, PreferMany>>")]
     #[serde(default)]
     should: Vec<ElasticQueryDslInner>,
-    #[serde_as(deserialize_as = "OneOrMany<_, PreferMany>")]
+    #[serde_as(deserialize_as = "DefaultOnNull<OneOrMany<_, PreferMany>>")]
     #[serde(default)]
     filter: Vec<ElasticQueryDslInner>,
     #[serde(default)]
@@ -133,4 +133,26 @@ mod tests {
             }
         );
     }
+
+    #[test]
+    fn test_dsl_query_with_null_values() {
+        let bool_query_json = r#"{
+            "must": null,
+            "must_not": null,
+            "should": null,
+            "filter": null,
+            "boost": null
+        }"#;
+        let bool_query: BoolQuery = serde_json::from_str(bool_query_json).unwrap();
+        assert_eq!(
+            &bool_query,
+            &BoolQuery {
+                must: Vec::new(),
+                must_not: Vec::new(),
+                should: Vec::new(),
+                filter: Vec::new(),
+                boost: None,
+            }
+        );
+    }
 }
diff --git a/quickwit/rest-api-tests/scenarii/es_compatibility/0009-bool_query.yaml b/quickwit/rest-api-tests/scenarii/es_compatibility/0009-bool_query.yaml
index 6be510d8e95..a7db3d90c56 100644
--- a/quickwit/rest-api-tests/scenarii/es_compatibility/0009-bool_query.yaml
+++ b/quickwit/rest-api-tests/scenarii/es_compatibility/0009-bool_query.yaml
@@ -105,4 +105,19 @@ expected:
   hits:
     total:
       value: 100
+---
+# Support null values
+json:
+  query:
+      bool:
+        must: null
+        must_not: null
+        should: null
+        filter: null
+        boost: null
+expected:
+  hits:
+    total:
+      value: 100
+