diff --git a/python/opensextant/__init__.py b/python/opensextant/__init__.py
index 6e9caef2..e6a94888 100644
--- a/python/opensextant/__init__.py
+++ b/python/opensextant/__init__.py
@@ -1203,7 +1203,12 @@ def add_language(lg: Language, override=False):
 
     if lg.names:
         for nm in lg.names:
-            codes.append(nm.lower())
+            lang_name_norm = nm.lower()
+            codes.append(lang_name_norm)
+            if "modern" in lang_name_norm:
+                nm2 = get_list(lang_name_norm, delim=",")[0]
+                codes.append(nm2)
+                override = True
 
     for k in set(codes):
         if k in language_map and not override:
diff --git a/python/setup.py b/python/setup.py
index 99742c7f..9c8b1bd0 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -14,7 +14,7 @@
 
 setup(
     name='opensextant',
-    version='1.5.6',
+    version='1.5.7',
 
     description='OpenSextant APIs and Utilities',
     long_description=long_description,