diff --git a/radio/src/targets/common/arm/stm32/stm32f2xx_hal_conf.h b/radio/src/targets/common/arm/stm32/stm32f2xx_hal_conf.h
index 7d96aeaaf..2ef2c3847 100644
--- a/radio/src/targets/common/arm/stm32/stm32f2xx_hal_conf.h
+++ b/radio/src/targets/common/arm/stm32/stm32f2xx_hal_conf.h
@@ -86,7 +86,7 @@
 #endif /* HSE_VALUE */
 
 #if !defined  (HSE_STARTUP_TIMEOUT)
-  #define HSE_STARTUP_TIMEOUT               100U       /*!< Time out for HSE start up, in ms */
+  #define HSE_STARTUP_TIMEOUT              2000U       /*!< Time out for HSE start up, in cycles */
 #endif /* HSE_STARTUP_TIMEOUT */
 
 /**