diff --git a/include/sta/rtos/system/can_bus.hpp b/include/sta/rtos/system/can_bus.hpp
index f12a035..11bc389 100644
--- a/include/sta/rtos/system/can_bus.hpp
+++ b/include/sta/rtos/system/can_bus.hpp
@@ -62,34 +62,34 @@
  * @{
  */
 
-
 /**
  * @brief CAN frame available.
  */
-#define STA_RTOS_CAN_FLAG_MSG_AVAIL     0x000010U
+#define STA_RTOS_CAN_FLAG_MSG_AVAIL     0x1U
 /**
  * @brief Send CAN message.
  */
-#define STA_RTOS_CAN_FLAG_MSG_SEND      0x000020U
+#define STA_RTOS_CAN_FLAG_MSG_SEND      0x1U << 1
 /**
  * @brief CAN data message in queue.
  */
-#define STA_RTOS_CAN_FLAG_DATA_QUEUED   0x000040U
+#define STA_RTOS_CAN_FLAG_DATA_QUEUED   0x1U << 2
 /**
  * @brief CAN system message in queue.
  */
-#define STA_RTOS_CAN_FLAG_SYS_QUEUED    0x000080U
+#define STA_RTOS_CAN_FLAG_SYS_QUEUED    0x1U << 3
 /**
  * @brief Show ISOTP statistics.
  */
-#define STA_RTOS_CAN_FLAG_SHOW_STATS    0x000100U
-
+#define STA_RTOS_CAN_FLAG_SHOW_STATS    0x1U << 4
 
 /**
  * @brief CAN SID bits used for system messages.
  */
 #define STA_CAN_SID_SYS_BITS            UINT32_C(0x3)
 
+#define STA_RTOS_CAN_ANY STA_RTOS_CAN_FLAG_MSG_AVAIL | STA_RTOS_CAN_FLAG_MSG_AVAIL | STA_RTOS_CAN_FLAG_DATA_QUEUED | STA_RTOS_CAN_FLAG_SYS_QUEUED | STA_RTOS_CAN_FLAG_SHOW_STATS
+
 
 /** @} */