diff --git a/setup.py b/setup.py
index 11232ff..fc35101 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ def get_tag(self):
             sources=[
                 "bindings/python/tree_sitter_c3/binding.c",
                 "src/parser.c",
-                # NOTE: if your language uses an external scanner, add it here.
+                "src/scanner.c"
             ],
             extra_compile_args=[
                 "-std=c11",