diff --git a/fmriprep/data/io_spec.json b/fmriprep/data/io_spec.json
index 44b68456..364cff7e 100644
--- a/fmriprep/data/io_spec.json
+++ b/fmriprep/data/io_spec.json
@@ -33,7 +33,7 @@
       },
       "boldref2anat": {
         "datatype": "func",
-        "from": "orig",
+        "from": "boldref",
         "to": "anat",
         "mode": "image",
         "suffix": "xfm",