diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp
index 4427364fbf..a7d1e74c50 100644
--- a/src/drivers/px4fmu/fmu.cpp
+++ b/src/drivers/px4fmu/fmu.cpp
@@ -81,6 +81,18 @@
 static constexpr uint8_t CYCLE_COUNT = 10; /* safety switch must be held for 1 second to activate */
 static constexpr uint8_t MAX_ACTUATORS = DIRECT_PWM_OUTPUT_CHANNELS;
 
+#if defined(PX4_CPU_UUID_WORD32_FORMAT)
+#  define CPU_UUID_FORMAT PX4_CPU_UUID_WORD32_FORMAT
+#else
+#  define CPU_UUID_FORMAT "%0X"
+#endif
+
+#if defined(PX4_CPU_UUID_WORD32_SEPARATOR)
+#  define CPU_UUID_SEPARATOR PX4_CPU_UUID_WORD32_SEPARATOR
+#else
+#  define CPU_UUID_SEPARATOR " "
+#endif
+
 /*
  * Define the various LED flash sequences for each system state.
  */