1 files changed, 1 insertions, 1 deletions
diff --git a/src/H5T.c b/src/H5T.c
index 0cddf25..e0ab671 100644
--- a/src/H5T.c
+++ b/src/H5T.c
@@ -4483,7 +4483,7 @@ H5Tconvert(hid_t src_id, hid_t dst_id, hsize_t nelmts, void *buf,
     /* Check args */
     if (H5I_DATATYPE!=H5I_get_type(src_id) || NULL==(src=H5I_object(src_id)) ||
         H5I_DATATYPE!=H5I_get_type(dst_id) || NULL==(dst=H5I_object(dst_id)) ||
-        (H5P_DEFAULT!=plist_id && H5P_DATASET_XFER!=H5P_get_class(plist_id))) {
+        (H5P_DEFAULT!=plist_id && TRUE != H5Pisa_class(plist_id, H5P_DATASET_XFER))) {
 	HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type");
     }