diff --git a/argos/agent.py b/argos/agent.py
index 2cca0d6..195ffdc 100644
--- a/argos/agent.py
+++ b/argos/agent.py
@@ -164,6 +164,7 @@ class ArgosAgent:  # pylint: disable-msg=too-many-instance-attributes
             logger.info("Received %i tasks from the server", len(data))
 
             req_groups = {}
+            _tasks = []
             for _task in data:
                 task = Task(**_task)
 
@@ -187,6 +188,7 @@ class ArgosAgent:  # pylint: disable-msg=too-many-instance-attributes
                     "method": task.method,
                     "request_data": task.request_data,
                 }
+                _tasks.append(_task)
 
             requests = []
             for group, details in req_groups.items():
@@ -196,7 +198,7 @@ class ArgosAgent:  # pylint: disable-msg=too-many-instance-attributes
                 await asyncio.gather(*requests)
 
             tasks = []
-            for task in data:
+            for task in _tasks:
                 tasks.append(self._complete_task(task))
 
             if tasks: