diff --git a/semantic-tags/src/Language/Python.hs b/semantic-tags/src/Language/Python.hs
index fd2cb92eb..66c5803a1 100644
--- a/semantic-tags/src/Language/Python.hs
+++ b/semantic-tags/src/Language/Python.hs
@@ -6,8 +6,12 @@ module Language.Python
 import qualified Language.Python.Tags as PyTags
 import qualified Tags.Tagging.Precise as Tags
 import qualified TreeSitter.Python.AST as Py
+import qualified TreeSitter.Unmarshal as TS
 
 newtype Term a = Term { getTerm :: Py.Module a }
 
+instance TS.Unmarshal Term where
+  unmarshalNode node = Term <$> TS.unmarshalNode node
+
 instance Tags.ToTags Term where
   tags src = Tags.runTagging src . PyTags.tags . getTerm