diff --git a/src/wasm_plugin.rs b/src/wasm_plugin.rs
index ddb73f2..95b316b 100644
--- a/src/wasm_plugin.rs
+++ b/src/wasm_plugin.rs
@@ -104,7 +104,8 @@ impl SyncPluginHandler<Configuration> for MarkdownPluginHandler {
         "tsx" => Some("tsx"),
         "javascript" | "js" => Some("js"),
         "jsx" => Some("jsx"),
-        "json" | "jsonc" => Some("json"),
+        "json" => Some("json"),
+        "jsonc" => Some("jsonc"),
         "rust" | "rs" => Some("rs"),
         "csharp" | "cs" => Some("cs"),
         "visualbasic" | "vb" => Some("vb"),