diff --git a/tests/snappi_tests/multidut/pfcwd/files/pfcwd_multidut_basic_helper.py b/tests/snappi_tests/multidut/pfcwd/files/pfcwd_multidut_basic_helper.py
index 93995f72bda..be6df972bba 100644
--- a/tests/snappi_tests/multidut/pfcwd/files/pfcwd_multidut_basic_helper.py
+++ b/tests/snappi_tests/multidut/pfcwd/files/pfcwd_multidut_basic_helper.py
@@ -100,10 +100,10 @@ def run_pfcwd_basic_test(api,
 
     if trigger_pfcwd:
         """ Large enough to trigger PFC watchdog """
-        pfc_storm_dur_sec = ceil(detect_time_sec + poll_interval_sec + 0.1)
+        pfc_storm_dur_sec = 4 * ceil(detect_time_sec + poll_interval_sec + 0.1)
 
         flow1_delay_sec = restore_time_sec / 2 + WARM_UP_TRAFFIC_DUR
-        flow1_dur_sec = pfc_storm_dur_sec
+        flow1_dur_sec = pfc_storm_dur_sec / 2
 
         """ Start data traffic 2 after PFC is restored """
         flow2_delay_sec = pfc_storm_dur_sec + restore_time_sec + \