diff --git a/fboss/platform/configs/janga800bic/fan_service.json b/fboss/platform/configs/janga800bic/fan_service.json
index 7d0dfc60b044e..0fbbe05a9be27 100644
--- a/fboss/platform/configs/janga800bic/fan_service.json
+++ b/fboss/platform/configs/janga800bic/fan_service.json
@@ -2,7 +2,7 @@
   "pwmBoostOnNumDeadFan": 1,
   "pwmBoostOnNumDeadSensor": 0,
   "pwmBoostOnNoQsfpAfterInSec": 55,
-  "pwmBoostValue": 75,
+  "pwmBoostValue": 100,
   "pwmTransitionValue": 50,
   "pwmLowerThreshold": 30,
   "pwmUpperThreshold": 100,
diff --git a/fboss/platform/configs/tahan800bc/fan_service.json b/fboss/platform/configs/tahan800bc/fan_service.json
index f435222c5a3c0..051a13ad727bf 100644
--- a/fboss/platform/configs/tahan800bc/fan_service.json
+++ b/fboss/platform/configs/tahan800bc/fan_service.json
@@ -2,7 +2,7 @@
   "pwmBoostOnNumDeadFan": 1,
   "pwmBoostOnNumDeadSensor": 0,
   "pwmBoostOnNoQsfpAfterInSec": 55,
-  "pwmBoostValue": 75,
+  "pwmBoostValue": 100,
   "pwmTransitionValue": 50,
   "pwmLowerThreshold": 30,
   "pwmUpperThreshold": 100,