diff --git a/minode/connection.py b/minode/connection.py
index 05d552a..8e88e47 100644
--- a/minode/connection.py
+++ b/minode/connection.py
@@ -432,13 +432,13 @@ class ConnectionBase(threading.Thread):
                     self.send_queue.put(message.GetData(pack))
                     self.vectors_requested.update({
                         vector: time.time() for vector in pack
-                        if vector not in self.vectors_requested})
+                    })
                     self.vectors_to_get.difference_update(pack)
                 else:
                     self.send_queue.put(message.GetData(self.vectors_to_get))
                     self.vectors_requested.update({
                         vector: time.time() for vector in self.vectors_to_get
-                        if vector not in self.vectors_requested})
+                    })
                     self.vectors_to_get.clear()
         if self.vectors_requested:
             self.vectors_requested = {