diff --git a/django_q/conf.py b/django_q/conf.py
index 0b68759..fe142cf 100644
--- a/django_q/conf.py
+++ b/django_q/conf.py
@@ -65,7 +65,7 @@ class Conf(object):
 
     # OSX doesn't implement qsize because of missing sem_getvalue()
     try:
-        QSIZE = Queue().qsize == 0
+        QSIZE = Queue().qsize() == 0
     except NotImplementedError:
         QSIZE = False