diff --git a/examples/device/nrf52840/segger/nrf52840.emProject b/examples/device/nrf52840/segger/nrf52840.emProject
index 9d4a90a16..7c1ef38d7 100644
--- a/examples/device/nrf52840/segger/nrf52840.emProject
+++ b/examples/device/nrf52840/segger/nrf52840.emProject
@@ -18,6 +18,7 @@
       arm_target_debug_interface_type="ADIv5"
       arm_target_device_name="nRF52840_xxAA"
       arm_target_interface_type="SWD"
+      build_treat_warnings_as_errors="Yes"
       c_preprocessor_definitions="NRF52840_XXAA;__nRF_FAMILY;ARM_MATH_CM4;FLASH_PLACEMENT=1;BOARD_PCA10056"
       c_user_include_directories="../src;$(tusbDir)/hw/cmsis/Include;$(tusbDir)/hw;$(tusbDir)/src;$(nrfxDir)/..;$(nrfxDir);$(nrfxDir)/mdk;$(nrfxDir)/hal;$(nrfxDir)/drivers/include"
       debug_register_definition_file="$(ProjectDir)/nrf52840_Registers.xml"
@@ -102,6 +103,7 @@
         </folder>
       </folder>
     </folder>
+    <configuration Name="Debug" build_treat_warnings_as_errors="Yes" />
   </project>
   <configuration
     Name="Debug"