diff --git a/libuavcan_drivers/stm32/test_stm32f107/src/board/board.cpp b/libuavcan_drivers/stm32/test_stm32f107/src/board/board.cpp
index 71e57e41ec..2bcf3ee70c 100644
--- a/libuavcan_drivers/stm32/test_stm32f107/src/board/board.cpp
+++ b/libuavcan_drivers/stm32/test_stm32f107/src/board/board.cpp
@@ -31,7 +31,7 @@ void init()
 
     chibios_rt::System::init();
 
-    sdStart(&STDOUT_SD, UAVCAN_NULLPTR);
+    sdStart(&STDOUT_SD, nullptr);
 }
 
 __attribute__((noreturn))