diff --git a/albero/languages/java.py b/albero/languages/java.py
index a332197..f6e62c6 100644
--- a/albero/languages/java.py
+++ b/albero/languages/java.py
@@ -88,6 +88,7 @@
     "character_literal": "String",
     "escape_sequence": "String",
     "string_fragment": "String",
+    "ERROR": "Error",
 }
 
 
diff --git a/albero/languages/python.py b/albero/languages/python.py
index ddb7855..27f9bef 100644
--- a/albero/languages/python.py
+++ b/albero/languages/python.py
@@ -76,6 +76,7 @@
     "string_content": "String",
     "string_end": "String",
     "string_start": "String",
+    "ERROR": "Error",
 }
 
 
diff --git a/albero/tree_sitter_funcs.py b/albero/tree_sitter_funcs.py
index a693c7a..f7c5dc1 100644
--- a/albero/tree_sitter_funcs.py
+++ b/albero/tree_sitter_funcs.py
@@ -35,7 +35,7 @@ def node_to_tokens(
 
         visited_nodes.add(node.id)
 
-        if node.child_count != 0:
+        if node.child_count != 0 and node.type != "ERROR":
             continue
 
         if node.type not in mapping:
diff --git a/tests/test-languages/python_test_file.py b/tests/test-languages/python_test_file.py
index cedc7e1..c7908b3 100644
--- a/tests/test-languages/python_test_file.py
+++ b/tests/test-languages/python_test_file.py
@@ -87,3 +87,5 @@ def break_func(self):
     pass
 finally:  # finally
     pass
+
+def unfinished
diff --git a/tests/test-languages/test_python.py b/tests/test-languages/test_python.py
index 8a79655..7772315 100644
--- a/tests/test-languages/test_python.py
+++ b/tests/test-languages/test_python.py
@@ -287,4 +287,7 @@ def test_basic_usage():
         ((88, 7), 1, "Punctuation"),
         ((88, 10), 9, "Comment"),
         ((89, 4), 4, "Keyword"),
+        ((91, 0), 3, "Keyword"),
+        ((91, 0), 14, "Error"),
+        ((91, 4), 10, "Identifier"),
     ]