1 files changed, 1 insertions, 1 deletions
diff --git a/src/H5R.c b/src/H5R.c
index ba699e8..a34afa7 100644
--- a/src/H5R.c
+++ b/src/H5R.c
@@ -417,7 +417,7 @@ H5R_dereference(H5F_t *file, hid_t dxpl_id, H5R_type_t ref_type, void *_ref)
 
         case H5G_DATASET:
             /* Open the dataset */
-            if ((dset=H5D_open(&ent,dxpl_id)) <0)
+            if ((dset=H5D_open(&ent,dxpl_id))==NULL)
                 HGOTO_ERROR(H5E_DATASET, H5E_NOTFOUND, FAIL, "not found");
 
             /* Create an atom for the dataset */