diff --git a/radio/src/pulses/pulses.cpp b/radio/src/pulses/pulses.cpp
index 8c5dfbc94..23aaa1072 100755
--- a/radio/src/pulses/pulses.cpp
+++ b/radio/src/pulses/pulses.cpp
@@ -275,7 +275,7 @@ void setupPulsesInternalModule(uint8_t protocol)
       if (moduleState[INTERNAL_MODULE].mode == MODULE_MODE_SPECTRUM_ANALYSER || moduleState[INTERNAL_MODULE].mode == MODULE_MODE_POWER_METER) {
         scheduleNextMixerCalculation(INTERNAL_MODULE, PXX2_TOOLS_PERIOD);
       }
-#if !defined(INTMDULE_HEARTBEAT)
+#if !defined(INTMODULE_HEARTBEAT)
       else {
         scheduleNextMixerCalculation(INTERNAL_MODULE, PXX2_PERIOD);
       }
diff --git a/radio/src/targets/common/arm/stm32/heartbeat_driver.cpp b/radio/src/targets/common/arm/stm32/heartbeat_driver.cpp
index 5ab376736..2281fa866 100644
--- a/radio/src/targets/common/arm/stm32/heartbeat_driver.cpp
+++ b/radio/src/targets/common/arm/stm32/heartbeat_driver.cpp
@@ -75,7 +75,7 @@ void check_xjt_heartbeat()
 }
 #endif
 
-#if defined(INTMDULE_HEARTBEAT) && !defined(INTMODULE_HEARTBEAT_REUSE_INTERRUPT_ROTARY_ENCODER)
+#if defined(INTMODULE_HEARTBEAT) && !defined(INTMODULE_HEARTBEAT_REUSE_INTERRUPT_ROTARY_ENCODER)
 extern "C" void INTMODULE_HEARTBEAT_EXTI_IRQHandler()
 {
   check_xjt_heartbeat();
diff --git a/radio/src/targets/taranis/hal.h b/radio/src/targets/taranis/hal.h
index fdd72ca59..8c0175408 100644
--- a/radio/src/targets/taranis/hal.h
+++ b/radio/src/targets/taranis/hal.h
@@ -1172,6 +1172,7 @@
 
 // Heartbeat for iXJT / ISRM synchro
 #if defined(PCBXLITE)
+  #define INTMODULE_HEARTBEAT
   #define INTMODULE_HEARTBEAT_RCC_AHB1Periph      RCC_AHB1Periph_GPIOD
   #define INTMODULE_HEARTBEAT_GPIO                GPIOD
   #define INTMODULE_HEARTBEAT_GPIO_PIN            GPIO_Pin_15
@@ -1181,6 +1182,7 @@
   #define INTMODULE_HEARTBEAT_EXTI_IRQn           EXTI15_10_IRQn
   #define INTMODULE_HEARTBEAT_EXTI_IRQHandler     EXTI15_10_IRQHandler
 #elif defined(PCBX9LITE)
+  // #define INTMODULE_HEARTBEAT
   #define INTMODULE_HEARTBEAT_RCC_AHB1Periph      RCC_AHB1Periph_GPIOC
   // #define INTMODULE_HEARTBEAT_GPIO                GPIOC
   // #define INTMODULE_HEARTBEAT_GPIO_PIN            GPIO_Pin_9
@@ -1190,6 +1192,7 @@
   #define INTMODULE_HEARTBEAT_EXTI_IRQn           EXTI9_5_IRQn
   #define INTMODULE_HEARTBEAT_EXTI_IRQHandler     EXTI9_5_IRQHandler
 #elif defined(RADIO_X7)
+  #define INTMODULE_HEARTBEAT
   #define INTMODULE_HEARTBEAT_REUSE_INTERRUPT_ROTARY_ENCODER
   #define INTMODULE_HEARTBEAT_RCC_AHB1Periph      RCC_AHB1Periph_GPIOC
   #define INTMODULE_HEARTBEAT_GPIO                GPIOC
@@ -1199,6 +1202,7 @@
   #define INTMODULE_HEARTBEAT_EXTI_LINE           EXTI_Line7
   #define INTMODULE_HEARTBEAT_EXTI_IRQn           EXTI9_5_IRQn
 #else
+  #define INTMODULE_HEARTBEAT
   #define INTMODULE_HEARTBEAT_RCC_AHB1Periph      RCC_AHB1Periph_GPIOC
   #define INTMODULE_HEARTBEAT_GPIO                GPIOC
   #define INTMODULE_HEARTBEAT_GPIO_PIN            GPIO_Pin_7
@@ -1630,4 +1634,4 @@
 #define TIMER_2MHz_RCC_APB1Periph       RCC_APB1Periph_TIM7
 #define TIMER_2MHz_TIMER                TIM7
 
-#endif // _HAL_H_
\ No newline at end of file
+#endif // _HAL_H_
diff --git a/radio/src/tasks.cpp b/radio/src/tasks.cpp
index e1a0f5e58..d0d02b9fe 100644
--- a/radio/src/tasks.cpp
+++ b/radio/src/tasks.cpp
@@ -140,7 +140,7 @@ TASK_FUNCTION(mixerTask)
       run = true;
     }
 
-#if defined(PXX2) && defined(INTMDULE_HEARTBEAT)
+#if defined(PXX2) && defined(INTMODULE_HEARTBEAT)
     if (moduleState[0].protocol == PROTOCOL_CHANNELS_PXX2 && heartbeatCapture.valid && heartbeatCapture.timestamp > lastRunTime) {
       run = true;
     }