1 files changed, 6 insertions, 4 deletions
diff --git a/src/H5I.c b/src/H5I.c
index f4b308f..51823f3 100644
--- a/src/H5I.c
+++ b/src/H5I.c
@@ -2299,10 +2299,12 @@ H5I_register_aux(hid_t id, void *aux_ptr, H5I_free_t free_func)
 
     FUNC_ENTER_NOAPI_NOINIT
 
-    if(NULL != (id_ptr = H5I_find_id(id))) {
-        id_ptr->aux_ptr = aux_ptr;
-        id_ptr->free_aux = free_func;
-    }
+    if(NULL == (id_ptr = H5I_find_id(id)))
+        HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "Invalid ID")
+
+    id_ptr->aux_ptr = aux_ptr;
+    id_ptr->free_aux = free_func;
+
 
 done:
     FUNC_LEAVE_NOAPI(ret_value)