diff --git a/packages/knex/src/query/QueryBuilderHelper.ts b/packages/knex/src/query/QueryBuilderHelper.ts
index 9ed120979d1e..d895eae3182d 100644
--- a/packages/knex/src/query/QueryBuilderHelper.ts
+++ b/packages/knex/src/query/QueryBuilderHelper.ts
@@ -521,7 +521,6 @@ export class QueryBuilderHelper {
   }
 
   private processObjectSubCondition(cond: any, key: string, qb: Knex.QueryBuilder, method: 'where' | 'having', m: 'where' | 'orWhere' | 'having', type: QueryType): void {
-    // grouped condition for one field
     let value = cond[key];
     const size = Utils.getObjectKeysSize(value);
 
@@ -529,8 +528,14 @@ export class QueryBuilderHelper {
       return;
     }
 
+    // grouped condition for one field, e.g. `{ age: { $gte: 10, $lt: 50 } }`
     if (size > 1) {
-      const subCondition = Object.entries(value).map(([subKey, subValue]) => ({ [key]: { [subKey]: subValue } }));
+      const rawField = RawQueryFragment.getKnownFragment(key);
+      const subCondition = Object.entries(value).map(([subKey, subValue]) => {
+        key = rawField?.clone().toString() ?? key;
+        return ({ [key]: { [subKey]: subValue } });
+      });
+
       return subCondition.forEach(sub => this.appendQueryCondition(type, sub, qb, '$and', method));
     }
 
diff --git a/tests/issues/GHx6.test.ts b/tests/issues/GHx6.test.ts
index 8aee7463d8e3..330f52475286 100644
--- a/tests/issues/GHx6.test.ts
+++ b/tests/issues/GHx6.test.ts
@@ -93,3 +93,13 @@ test('raw fragments with populateOrderBy on relation', async () => {
     'left join `job` as `j1` on `t0`.`custom_name` = `j1`.`id` ' +
     'order by t0.created desc, j1.DateCompleted desc');
 });
+
+test('raw fragments with multiple items in filter', async () => {
+  const mock = mockLogger(orm);
+  await orm.em.findAll(Tag, {
+    where: {
+      [raw('id')]: { $gte: 10, $lte: 50 },
+    },
+  });
+  expect(mock.mock.calls[0][0]).toMatch('select `t0`.* from `tag` as `t0` where id >= 10 and id <= 50');
+});