diff --git a/tests/qos/files/qos.yml b/tests/qos/files/qos.yml
index 15da9ef0743..e7e4b42ad8e 100644
--- a/tests/qos/files/qos.yml
+++ b/tests/qos/files/qos.yml
@@ -464,13 +464,13 @@ qos_params:
             ecn: 1
             pg: 3
             pkts_num_trig_pfc: 6542
-            pkts_num_dismiss_pfc: 11
+            pkts_num_dismiss_pfc: 12
         xon_2:
             dscp: 4
             ecn: 1
             pg: 4
             pkts_num_trig_pfc: 6542
-            pkts_num_dismiss_pfc: 11
+            pkts_num_dismiss_pfc: 12
         ecn_1:
             dscp: 8
             ecn: 0