diff --git a/mtapi_c/include/embb/mtapi/c/mtapi.h b/mtapi_c/include/embb/mtapi/c/mtapi.h
index a35f12e..f381950 100644
--- a/mtapi_c/include/embb/mtapi/c/mtapi.h
+++ b/mtapi_c/include/embb/mtapi/c/mtapi.h
@@ -700,7 +700,7 @@ enum mtapi_node_attributes_enum {
 #define MTAPI_NODE_WORKER_PRIORITIES_SIZE 0
 #ifdef EMBB_HARD_REALTIME
 /** size of the \a MTAPI_NODE_SCHEDULER_MODE attribute */
-#define MTAPI_NODE_SCHEDULER_MODE sizeof(embb_mtapi_scheduler_mode_t)
+#define MTAPI_NODE_SCHEDULER_MODE_SIZE sizeof(embb_mtapi_scheduler_mode_t)
 #endif /*EMBB_HARD_REALTIME*/