diff --git a/sys/include/hashes/cmac.h b/sys/include/hashes/cmac.h
index dc84b08fe87ba51ce176ae13593ccc60e9fc5b54..0b92473a0bdbb46c652e3d01cd7e34255f330167 100644
--- a/sys/include/hashes/cmac.h
+++ b/sys/include/hashes/cmac.h
@@ -8,7 +8,7 @@
 
 /**
  * @defgroup    sys_hashes_cmac AES_CMAC
- * @ingroup     sys_hashes
+ * @ingroup     sys_hashes_keyed
  * @brief       Implementation of the AES CMAC hashing function
 
  * @{