diff --git a/ch_util/ephemeris.py b/ch_util/ephemeris.py
index b4bdcd78..b7628316 100644
--- a/ch_util/ephemeris.py
+++ b/ch_util/ephemeris.py
@@ -742,7 +742,11 @@ def get_source_dictionary(*args):
             catalog = json.load(handler)
 
         for name, info in catalog.items():
-            src_dict[name] = skyfield_star_from_ra_dec(info["ra"], info["dec"], name)
+            src_dict[name] = skyfield_star_from_ra_dec(
+                info["ra"],
+                info["dec"],
+                info["alternate_names"],
+            )
 
     return src_dict