diff --git a/libuavcan_drivers/stm32/driver/src/internal.hpp b/libuavcan_drivers/stm32/driver/src/internal.hpp
index 8cc3eb08d3..06906c4fd4 100644
--- a/libuavcan_drivers/stm32/driver/src/internal.hpp
+++ b/libuavcan_drivers/stm32/driver/src/internal.hpp
@@ -16,7 +16,7 @@
 /**
  * Debug output
  */
-#ifndef UAVCAN_STM32_TRACE
+#ifndef UAVCAN_STM32_LOG
 // lowsyslog() crashes the system in this context
 //# if UAVCAN_STM32_NUTTX && CONFIG_ARCH_LOWPUTC
 # if 0