diff --git a/examples/Makefile-nrf52840 b/examples/Makefile-nrf52840
index 1a44eb43d..3c7a0b408 100644
--- a/examples/Makefile-nrf52840
+++ b/examples/Makefile-nrf52840
@@ -79,6 +79,10 @@ COMMONCFLAGS                   := \
     -I$(CONFIG_FILE_PATH)         \
     $(NULL)
 
+ifeq ($(CERT_LOG),1)
+COMMONCFLAGS += -DOPENTHREAD_CONFIG_ENABLE_DEFAULT_LOG_OUTPUT=1
+endif
+
 CPPFLAGS                       += \
     $(COMMONCFLAGS)               \
     $(target_CPPFLAGS)            \
diff --git a/examples/platforms/nrf52840/platform.c b/examples/platforms/nrf52840/platform.c
index 073497747..0f5ba4179 100644
--- a/examples/platforms/nrf52840/platform.c
+++ b/examples/platforms/nrf52840/platform.c
@@ -48,7 +48,7 @@ void PlatformInit(int argc, char *argv[])
 
     nrf_drv_clock_init();
 
-#if (OPENTHREAD_ENABLE_DEFAULT_LOGGING == 0)
+#if (OPENTHREAD_CONFIG_ENABLE_DEFAULT_LOG_OUTPUT == 0)
     nrf5LogInit();
 #endif
     nrf5AlarmInit();
@@ -67,7 +67,7 @@ void PlatformDeinit(void)
     nrf5UartDeinit();
     nrf5RandomDeinit();
     nrf5AlarmDeinit();
-#if (OPENTHREAD_ENABLE_DEFAULT_LOGGING == 0)
+#if (OPENTHREAD_CONFIG_ENABLE_DEFAULT_LOG_OUTPUT == 0)
     nrf5LogDeinit();
 #endif
 }