diff --git a/jdaviz/configs/mosviz/plugins/parsers.py b/jdaviz/configs/mosviz/plugins/parsers.py
index b35b800a32..f10fcb90fe 100644
--- a/jdaviz/configs/mosviz/plugins/parsers.py
+++ b/jdaviz/configs/mosviz/plugins/parsers.py
@@ -104,7 +104,10 @@ def mos_spec1d_parser(app, data_obj, data_labels=None):
     """
     # If providing a file path, parse it using the specutils io tooling
     if _check_is_file(data_obj):
-        data_obj = [Spectrum1D.read(data_obj)]
+        try:
+            data_obj = [Spectrum1D.read(data_obj)]
+        except IORegistryError:
+            data_obj = SpectrumList.read(data_obj)
 
     if isinstance(data_labels, str):
         data_labels = [data_labels]