diff --git a/tests/qos/qos_sai_base.py b/tests/qos/qos_sai_base.py
index da4db78b9f6..30af6394ce0 100644
--- a/tests/qos/qos_sai_base.py
+++ b/tests/qos/qos_sai_base.py
@@ -132,6 +132,7 @@ def runPtfTest(self, ptfhost, testCase='', testParams={}, relax=False):
             is_python3=True,
             relax=relax,
             timeout=1200,
+            socket_recv_size=16384,
             custom_options=custom_options
         )