diff --git a/tmc-langs-framework/src/meta_syntax.rs b/tmc-langs-framework/src/meta_syntax.rs
index c0ccce79c19..f3bc810760b 100644
--- a/tmc-langs-framework/src/meta_syntax.rs
+++ b/tmc-langs-framework/src/meta_syntax.rs
@@ -116,7 +116,9 @@ impl<R: Read> MetaSyntaxParser<BufReader<R>> {
         let reader = BufReader::new(target);
         // assigns each supported file extension with the proper comment syntax
         let meta_syntaxes: &[MetaSyntax] = match target_extension {
-            "java" | "c" | "cpp" | "h" | "hpp" | "js" | "css" | "rs" | "qml" => &*META_SYNTAXES_C,
+            "java" | "c" | "cpp" | "h" | "hpp" | "js" | "css" | "rs" | "qml" | "cs" => {
+                &*META_SYNTAXES_C
+            }
             "xml" | "http" | "html" | "qrc" => &*META_SYNTAXES_HTML,
             "properties" | "py" | "R" | "pro" => &*META_SYNTAXES_PY,
             _ => &[],
diff --git a/tmc-langs/src/config/tmc_config.rs b/tmc-langs/src/config/tmc_config.rs
index f68e5623dfc..96281b7c472 100644
--- a/tmc-langs/src/config/tmc_config.rs
+++ b/tmc-langs/src/config/tmc_config.rs
@@ -101,6 +101,7 @@ impl TmcConfig {
                             "Failed to deserialize config at {}, resetting",
                             path.display()
                         );
+                        drop(guard); // unlock file before recreating it
                         Self::init_at(client_name, &path)?
                     }
                 }