diff --git a/test/specs/style_manager/index.js b/test/specs/style_manager/index.js
index ec9d71d74..03917d00f 100644
--- a/test/specs/style_manager/index.js
+++ b/test/specs/style_manager/index.js
@@ -113,7 +113,7 @@ describe('StyleManager', () => {
         { property: 'test-prop' },
         { property: 'test-prop' }
       ]);
-      expect(obj.getProperty('test', 'test-prop').length).toEqual(1);
+      expect(obj.getProperty('test', 'test-prop')).toBeTruthy();
     });
 
     test('Get inexistent properties', () => {