diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index f9a2ea5f7630f..21d19ce786355 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -361,14 +361,12 @@ pub fn read_query(language: &str, filename: &str) -> String {
 
 impl LanguageConfiguration {
     fn initialize_highlight(&self, scopes: &[String]) -> Option<Arc<HighlightConfiguration>> {
-        let language = self.language_id.to_ascii_lowercase();
-
-        let highlights_query = read_query(&language, "highlights.scm");
+        let highlights_query = read_query(&self.language_id, "highlights.scm");
         // always highlight syntax errors
         // highlights_query += "\n(ERROR) @error";
 
-        let injections_query = read_query(&language, "injections.scm");
-        let locals_query = read_query(&language, "locals.scm");
+        let injections_query = read_query(&self.language_id, "injections.scm");
+        let locals_query = read_query(&self.language_id, "locals.scm");
 
         if highlights_query.is_empty() {
             None
@@ -432,14 +430,20 @@ impl LanguageConfiguration {
     }
 
     fn load_query(&self, kind: &str) -> Option<Query> {
-        let lang_name = self.language_id.to_ascii_lowercase();
-        let query_text = read_query(&lang_name, kind);
+        let query_text = read_query(&self.language_id, kind);
         if query_text.is_empty() {
             return None;
         }
         let lang = self.highlight_config.get()?.as_ref()?.language;
         Query::new(lang, &query_text)
-            .map_err(|e| log::error!("Failed to parse {} queries for {}: {}", kind, lang_name, e))
+            .map_err(|e| {
+                log::error!(
+                    "Failed to parse {} queries for {}: {}",
+                    kind,
+                    self.language_id,
+                    e
+                )
+            })
             .ok()
     }
 }
@@ -2119,7 +2123,7 @@ mod test {
         );
 
         let loader = Loader::new(Configuration { language: vec![] });
-        let language = get_language("Rust").unwrap();
+        let language = get_language("rust").unwrap();
 
         let query = Query::new(language, query_str).unwrap();
         let textobject = TextObjectQuery { query };
@@ -2179,7 +2183,7 @@ mod test {
 
         let loader = Loader::new(Configuration { language: vec![] });
 
-        let language = get_language("Rust").unwrap();
+        let language = get_language("rust").unwrap();
         let config = HighlightConfiguration::new(
             language,
             &std::fs::read_to_string("../runtime/grammars/sources/rust/queries/highlights.scm")
@@ -2275,7 +2279,7 @@ mod test {
         let source = Rope::from_str(source);
 
         let loader = Loader::new(Configuration { language: vec![] });
-        let language = get_language("Rust").unwrap();
+        let language = get_language("rust").unwrap();
 
         let config = HighlightConfiguration::new(language, "", "", "").unwrap();
         let syntax = Syntax::new(&source, Arc::new(config), Arc::new(loader));
diff --git a/xtask/src/querycheck.rs b/xtask/src/querycheck.rs
index 5595b8ec88fb2..7014c7d6f5d55 100644
--- a/xtask/src/querycheck.rs
+++ b/xtask/src/querycheck.rs
@@ -14,8 +14,8 @@ pub fn query_check() -> Result<(), DynError> {
     ];
 
     for language in lang_config().language {
-        let language_name = language.language_id.to_ascii_lowercase();
-        let grammar_name = language.grammar.unwrap_or(language.language_id);
+        let language_name = &language.language_id;
+        let grammar_name = language.grammar.as_ref().unwrap_or(language_name);
         for query_file in query_files {
             let language = get_language(&grammar_name);
             let query_text = read_query(&language_name, query_file);