diff --git a/sys/include/luid.h b/sys/include/luid.h
index b647958b44..b87ef0407f 100644
--- a/sys/include/luid.h
+++ b/sys/include/luid.h
@@ -74,7 +74,7 @@ extern "C" {
  * @brief   Get a unique ID
  *
  * The resulting ID is built from the base ID generated with luid_base(), which
- * isXORed with an 8-bit incrementing counter value into the most significant
+ * isXORed with an 8-bit incrementing counter value into the first (lowest index)
  * byte.
  *
  * @note    The resulting LUID will repeat after 255 calls.
@@ -85,6 +85,21 @@ extern "C" {
  */
 void luid_get(void *buf, size_t len);
 
+/**
+ * @brief   Get a unique ID with change in the last byte
+ *
+ * The resulting ID is built from the base ID generated with luid_base(), which
+ * isXORed with an 8-bit incrementing counter value into the last (highest index)
+ * byte.
+ *
+ * @note    The resulting LUID will repeat after 255 calls.
+ *
+ * @param[out] buf      memory location to copy the LUID into. MUST be able to
+ *                      hold at least @p len bytes
+ * @param[in]  len      length of the LUID in bytes
+ */
+void luid_get_lb(void *buf, size_t len);
+
 /**
  * @brief   Get a unique short unicast address
  *
diff --git a/sys/luid/luid.c b/sys/luid/luid.c
index 544eeb1c3f..bdaff93ff4 100644
--- a/sys/luid/luid.c
+++ b/sys/luid/luid.c
@@ -54,6 +54,13 @@ void luid_get(void *buf, size_t len)
     ((uint8_t *)buf)[0] ^= lastused++;
 }
 
+void luid_get_lb(void *buf, size_t len)
+{
+    luid_base(buf, len);
+
+    ((uint8_t *)buf)[len - 1] ^= lastused++;
+}
+
 void luid_custom(void *buf, size_t len, int gen)
 {
     luid_base(buf, len);