diff --git a/db/MongoHelper.py b/db/MongoHelper.py
index 3ae5c80..f732c3a 100644
--- a/db/MongoHelper.py
+++ b/db/MongoHelper.py
@@ -44,6 +44,8 @@ def select(self, count=None, conditions=None):
             count = 0
         if conditions:
             conditions = dict(conditions)
+            if 'count' in conditions:
+                del conditions['count']
             conditions_name = ['types', 'protocol']
             for condition_name in conditions_name:
                 value = conditions.get(condition_name, None)