diff --git a/boards/iot-lab_M3/board.c b/boards/iot-lab_M3/board.c
index b765f071d4..c194a42861 100644
--- a/boards/iot-lab_M3/board.c
+++ b/boards/iot-lab_M3/board.c
@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     board_iot-lab_M3
+ * @ingroup     boards_iot-lab_M3
  * @{
  *
  * @file        board.c
diff --git a/boards/iot-lab_M3/include/board.h b/boards/iot-lab_M3/include/board.h
index 3e1cf2aaab..afc8ea8566 100644
--- a/boards/iot-lab_M3/include/board.h
+++ b/boards/iot-lab_M3/include/board.h
@@ -7,7 +7,7 @@
  */
 
 /**
- * @defgroup    board_iot-lab_M3 IoT-LAB M3 open node
+ * @defgroup    boards_iot-lab_M3 IoT-LAB M3 open node
  * @ingroup     boards
  * @brief       Board specific files for the iot-lab_M3 board.
  * @{
diff --git a/boards/iot-lab_M3/include/periph_conf.h b/boards/iot-lab_M3/include/periph_conf.h
index 46e902c15a..8bb4912c1c 100644
--- a/boards/iot-lab_M3/include/periph_conf.h
+++ b/boards/iot-lab_M3/include/periph_conf.h
@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     board_iot-lab_M3
+ * @ingroup     boards_iot-lab_M3
  * @{
  *
  * @file