diff --git a/kiss_processor.cpp b/kiss_processor.cpp
index 3e32c49..92b1f0c 100644
--- a/kiss_processor.cpp
+++ b/kiss_processor.cpp
@@ -160,7 +160,7 @@ bool Processor::processSerialToRig()
         serialToRigQueue_.push(rxByte);
       }
     }
-    yield();
+    vTaskDelay(1);
   }
   return allProcessed;
 }
diff --git a/loraprs_service.cpp b/loraprs_service.cpp
index b41b464..3f01e27 100644
--- a/loraprs_service.cpp
+++ b/loraprs_service.cpp
@@ -4,7 +4,7 @@ namespace LoraPrs {
 
 TaskHandle_t Service::rigTaskHandle_;
 volatile bool Service::rigIsRxActive_ = false;
-bool Service::rigIsRxIsrEnabled_ = true;
+volatile bool Service::rigIsRxIsrEnabled_ = true;
 
 Service::Service()
   : Kiss::Processor()
diff --git a/loraprs_service.h b/loraprs_service.h
index 2ab72bf..e0d65cf 100644
--- a/loraprs_service.h
+++ b/loraprs_service.h
@@ -151,7 +151,7 @@ private:
   // peripherals, radio
   static TaskHandle_t rigTaskHandle_;
   static volatile bool rigIsRxActive_;
-  static bool rigIsRxIsrEnabled_;
+  static volatile bool rigIsRxIsrEnabled_;
   bool rigIsImplicitMode_;
   int rigCurrentTxPacketSize_;
   CircularBuffer<uint8_t, CfgRadioQueueSize> rigTxQueue_;