1 files changed, 2 insertions, 2 deletions
diff --git a/src/H5I.c b/src/H5I.c
index 0122eb6..d863231 100644
--- a/src/H5I.c
+++ b/src/H5I.c
@@ -1951,7 +1951,7 @@ done:
  *-------------------------------------------------------------------------
  */
 static int
-H5I__iterate_cb(void *_item, void UNUSED *_key, void *_udata)
+H5I__iterate_cb(void *_item, void H5_ATTR_UNUSED *_key, void *_udata)
 {
     H5I_id_info_t *item = (H5I_id_info_t *)_item;       /* Pointer to the ID node */
     H5I_iterate_ud_t *udata = (H5I_iterate_ud_t *)_udata; /* User data for callback */
@@ -2221,7 +2221,7 @@ done:
  *-------------------------------------------------------------------------
  */
 static herr_t
-H5I__debug_cb(void *_item, void UNUSED *_key, void *_udata)
+H5I__debug_cb(void *_item, void H5_ATTR_UNUSED *_key, void *_udata)
 {
     H5I_id_info_t *item = (H5I_id_info_t *)_item;       /* Pointer to the ID node */
     H5I_type_t type = *(H5I_type_t *)_udata;            /* User data */