diff --git a/radio/src/targets/common/arm/stm32/pwr_driver.cpp b/radio/src/targets/common/arm/stm32/pwr_driver.cpp
index 751279da8..f488d19fa 100644
--- a/radio/src/targets/common/arm/stm32/pwr_driver.cpp
+++ b/radio/src/targets/common/arm/stm32/pwr_driver.cpp
@@ -54,9 +54,11 @@ void pwrInit()
 #if defined(PCBREV_HARDCODED)
   hardwareOptions.pcbrev = PCBREV_HARDCODED;
 #elif defined(PCBREV_GPIO_PIN)
-  GPIO_ResetBits(PCBREV_GPIO, PCBREV_GPIO_PIN);
+  #if defined(PCBREV_GPIO_PULL_DOWN)
+    GPIO_ResetBits(PCBREV_GPIO, PCBREV_GPIO_PIN);
+    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
+  #endif
   GPIO_InitStructure.GPIO_Pin = PCBREV_GPIO_PIN;
-  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
   GPIO_Init(PCBREV_GPIO, &GPIO_InitStructure);
   hardwareOptions.pcbrev = PCBREV_VALUE();
 #endif
diff --git a/radio/src/targets/taranis/hal.h b/radio/src/targets/taranis/hal.h
index 2a7ca0ad9..31cf6a4a9 100644
--- a/radio/src/targets/taranis/hal.h
+++ b/radio/src/targets/taranis/hal.h
@@ -1375,6 +1375,7 @@
   #define PCBREV_RCC_AHB1Periph         RCC_AHB1Periph_GPIOA
   #define PCBREV_GPIO                   GPIOA
   #define PCBREV_GPIO_PIN               GPIO_Pin_14  // PA.14
+  #define PCBREV_GPIO_PULL_DOWN
   #define PCBREV_VALUE()                GPIO_ReadInputDataBit(PCBREV_GPIO, PCBREV_GPIO_PIN)
 #else
   #define PCBREV_RCC_AHB1Periph         0