diff --git a/kernel/include/wait_q.h b/kernel/include/wait_q.h
index e8c53850756..e6bf4043bf3 100644
--- a/kernel/include/wait_q.h
+++ b/kernel/include/wait_q.h
@@ -79,7 +79,7 @@ static inline struct k_thread *_waitq_head(_wait_q_t *w)
 	return (void *)sys_dlist_peek_head(&w->waitq);
 }
 
-#endif /* !CONFIG_WAIT_Q_FAST */
+#endif /* !CONFIG_WAITQ_FAST */
 
 #ifdef __cplusplus
 }