diff --git a/src/parse/tree_sitter_parser.rs b/src/parse/tree_sitter_parser.rs
index d91b32470..4dd9c0908 100644
--- a/src/parse/tree_sitter_parser.rs
+++ b/src/parse/tree_sitter_parser.rs
@@ -1563,6 +1563,7 @@ fn find_delim_positions(
     None
 }
 
+#[derive(Debug)]
 pub(crate) struct HighlightedNodeIds {
     keyword_ids: HashSet<usize>,
     comment_ids: HashSet<usize>,