diff --git a/golem/network/hyperdrive/client.py b/golem/network/hyperdrive/client.py
index 1d30543733..de883f4157 100644
--- a/golem/network/hyperdrive/client.py
+++ b/golem/network/hyperdrive/client.py
@@ -21,6 +21,7 @@
 
 log = logging.getLogger(__name__)
 
+GRACE_PERIOD = 300
 
 def to_hyperg_peer(host: str, port: int) -> Dict[str, Tuple[str, int]]:
     return {'TCP': (host, port)}
@@ -76,7 +77,7 @@ def add(self, files, client_options=None, **kwargs):
             command='upload',
             id=kwargs.get('id'),
             files=files,
-            timeout=round_timeout(client_options.timeout)
+            timeout=round_timeout(client_options.timeout) + GRACE_PERIOD
         )
         return response['hash']
 
@@ -168,7 +169,7 @@ def add_async(
             command='upload',
             id=kwargs.get('id'),
             files=files,
-            timeout=round_timeout(client_options.timeout),
+            timeout=round_timeout(client_options.timeout) + GRACE_PERIOD,
             user=golem.tools.talkback.user(),
         )
         return self._async_request(