diff --git a/src/airtime.cpp b/src/airtime.cpp
index ae3b30811..94ef6d5b2 100644
--- a/src/airtime.cpp
+++ b/src/airtime.cpp
@@ -132,7 +132,7 @@ bool AirTime::isTxAllowedChannelUtil(bool polite)
 bool AirTime::isTxAllowedAirUtil() 
 {
     if (!config.lora.override_duty_cycle && myRegion->dutyCycle < 100) {
-        if (utilizationTXPercent() < polite_tx_util_percent) {
+        if (utilizationTXPercent() < myRegion->dutyCycle * polite_tx_util_percent / 100) {
             return true; 
         } else {
             LOG_WARN("Tx air utilization is >%d percent. Skipping this opportunity to send.\n", polite_tx_util_percent);
diff --git a/src/airtime.h b/src/airtime.h
index 2d1f1e2d9..5ba6f676a 100644
--- a/src/airtime.h
+++ b/src/airtime.h
@@ -70,7 +70,7 @@ class AirTime : private concurrency::OSThread
     uint32_t secSinceBoot = 0;
     uint8_t max_channel_util_percent = 40;
     uint8_t polite_channel_util_percent = 25;
-    uint8_t polite_tx_util_percent = 5;
+    uint8_t polite_tx_util_percent = 50;  // half of Duty Cycle allowance
 
     struct airtimeStruct {
         uint32_t periodTX[PERIODS_TO_LOG];     // AirTime transmitted