diff --git a/master.py b/master.py
index d671b32..21c984c 100644
--- a/master.py
+++ b/master.py
@@ -373,6 +373,7 @@ if __name__ == '__main__':
         while True:
             try:
                 if time.time() - update_last > 900 and q.qsize() == 0:
+                    q.join()
                     update_last = time.time()
                     update_svn2git()
                     fill_queue()