diff --git a/stanza/resources/default_packages.py b/stanza/resources/default_packages.py
index bfb098423..649e73858 100644
--- a/stanza/resources/default_packages.py
+++ b/stanza/resources/default_packages.py
@@ -219,8 +219,7 @@ def build_default_pretrains(default_treebanks):
     default_pretrains = dict(default_treebanks)
     for lang in no_pretrain_languages:
         default_pretrains.pop(lang, None)
-    for lang in specific_default_pretrains.keys():
-        default_pretrains[lang] = specific_default_pretrains[lang]
+    default_pretrains.update(specific_default_pretrains)
     return default_pretrains
 
 default_pretrains = build_default_pretrains(default_treebanks)