diff --git a/sys/include/hashes.h b/sys/include/hashes.h
index e555f11ff06d909b3a5a4d80ec51a015cf9b5f33..2c3725d2f1652b4e4765815e7c1158d7cfb3908b 100644
--- a/sys/include/hashes.h
+++ b/sys/include/hashes.h
@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     sys_hashes
+ * @ingroup     sys_hashes_non_crypto
  * @{
  *
  * @file