diff --git a/adonis-typings/querybuilder.ts b/adonis-typings/querybuilder.ts
index 8dd6747c..4e292aba 100644
--- a/adonis-typings/querybuilder.ts
+++ b/adonis-typings/querybuilder.ts
@@ -141,8 +141,12 @@ declare module '@ioc:Adonis/Lucid/Database' {
     /**
      * Key-value pair. The value can also be a subquery
      */
-    (key: string | RawQuery, value: StrictValues | ChainableContract): Builder
-    (key: string | RawQuery, operator: string, value: StrictValues | ChainableContract): Builder
+    (key: string | RawQuery, value: StrictValues | ChainableContract | null): Builder
+    (
+      key: string | RawQuery,
+      operator: string,
+      value: StrictValues | ChainableContract | null
+    ): Builder
   }
 
   /**
diff --git a/test/database/query-builder.spec.ts b/test/database/query-builder.spec.ts
index ddd22d8a..9ecb3ca1 100644
--- a/test/database/query-builder.spec.ts
+++ b/test/database/query-builder.spec.ts
@@ -467,6 +467,41 @@ test.group('Query Builder | where', (group) => {
     await connection.disconnect()
   })
 
+  test('add where clause with a null comparison', async ({ assert }) => {
+    const connection = new Connection('primary', getConfig(), app.logger)
+    connection.connect()
+
+    let db = getQueryBuilder(getQueryClient(connection, app))
+    const { sql, bindings } = db.from('users').where('username', null).toSQL()
+
+    const { sql: knexSql, bindings: knexBindings } = connection
+      .client!.from('users')
+      .where('username', null)
+      .toSQL()
+
+    assert.equal(sql, knexSql)
+    assert.deepEqual(bindings, knexBindings)
+
+    /**
+     * Using keys resolver
+     */
+    db = getQueryBuilder(getQueryClient(connection, app))
+    db.keysResolver = (key) => `my_${key}`
+    const { sql: resolverSql, bindings: resolverBindings } = db
+      .from('users')
+      .where('username', null)
+      .toSQL()
+
+    const { sql: knexResolverSql, bindings: knexResolverBindings } = connection
+      .client!.from('users')
+      .where('my_username', null)
+      .toSQL()
+
+    assert.equal(resolverSql, knexResolverSql)
+    assert.deepEqual(resolverBindings, knexResolverBindings)
+    await connection.disconnect()
+  })
+
   test('wrap where clause to its own group', async ({ assert }) => {
     const connection = new Connection('primary', getConfig(), app.logger)
     connection.connect()