1 files changed, 6 insertions, 0 deletions
diff --git a/Projects/P-NUCLEO-WB55.USBDongle/Applications/BLE/BLE_MeshLightingPRFNode/Core/Src/main.c b/Projects/P-NUCLEO-WB55.USBDongle/Applications/BLE/BLE_MeshLightingPRFNode/Core/Src/main.c
index 95537ac98..63b0cfc81 100644
--- a/Projects/P-NUCLEO-WB55.USBDongle/Applications/BLE/BLE_MeshLightingPRFNode/Core/Src/main.c
+++ b/Projects/P-NUCLEO-WB55.USBDongle/Applications/BLE/BLE_MeshLightingPRFNode/Core/Src/main.c
@@ -90,6 +90,12 @@ static void Config_HSE(void);
  */
 int main( void )
 {
+  /**
+   * The OPTVERR flag is wrongly set at power on
+   * It shall be cleared before using any HAL_FLASH_xxx() api
+   */
+  __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);
+
   HAL_Init();
 
   Reset_Device();