diff --git a/package.json b/package.json
index 652486b..0cd76ec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "apisearch",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "description": "Javascript client for Apisearch.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/src/Query/Query.ts b/src/Query/Query.ts
index 0358622..582d9f5 100644
--- a/src/Query/Query.ts
+++ b/src/Query/Query.ts
@@ -1182,7 +1182,7 @@ export class Query {
             for (const i in this.itemsPromoted) {
                 array
                     .items_promoted
-                    .push(this.itemsPromoted[i].toArray);
+                    .push(this.itemsPromoted[i].toArray());
             }
         }
 
diff --git a/test/Query/Query.test.ts b/test/Query/Query.test.ts
index 8665b81..1cbca58 100644
--- a/test/Query/Query.test.ts
+++ b/test/Query/Query.test.ts
@@ -330,6 +330,23 @@ describe('Query()', () => {
                 type: 'marvel'
             });
         });
+
+        it('should work properly when doing toArray', () => {
+            // Promote thi two uuids into an existing array from the last test
+            query.promoteUUIDs(
+                new ItemUUID('ironman', 'marvel'),
+                new ItemUUID('thor', 'marvel')
+            );
+            expect(query.toArray().items_promoted.length).to.equal(2);
+            expect(query.toArray().items_promoted[0]).to.deep.equal({
+                id: 'ironman',
+                type: 'marvel'
+            });
+            expect(query.toArray().items_promoted[1]).to.deep.equal({
+                id: 'thor',
+                type: 'marvel'
+            });
+        });
     });
 
     describe('-> When excluding uuids', () => {