diff --git a/config.ts b/config.ts
index 89dbfa9..1085189 100644
--- a/config.ts
+++ b/config.ts
@@ -1,7 +1,12 @@
+import { JsonValue, parse } from "std/jsonc/mod.ts";
+
 export class Config {
     _data;
-    constructor(data: { [x: string]: unknown }) {
-        this._data = Object.assign({}, data);
+    constructor(data: JsonValue) {
+        this._data = <{ [x: string]: unknown }> <unknown> Object.assign(
+            {},
+            data,
+        );
     }
     _return_string(key: string) {
         const v = this._data[key];
@@ -58,5 +63,5 @@ export class Config {
 
 export async function load_settings(path: string) {
     const s = (new TextDecoder()).decode(await Deno.readFile(path));
-    return new Config(JSON.parse(s));
+    return new Config(parse(s));
 }
diff --git a/deno.lock b/deno.lock
index bc06504..fb052e1 100644
--- a/deno.lock
+++ b/deno.lock
@@ -6,6 +6,9 @@
     "https://deno.land/std@0.188.0/flags/mod.ts": "17f444ddbee43c5487568de0c6a076c7729cfe90d96d2ffcd2b8f8adadafb6e8",
     "https://deno.land/std@0.188.0/fmt/colors.ts": "d67e3cd9f472535241a8e410d33423980bec45047e343577554d3356e1f0ef4e",
     "https://deno.land/std@0.188.0/fs/exists.ts": "29c26bca8584a22876be7cb8844f1b6c8fc35e9af514576b78f5c6884d7ed02d",
+    "https://deno.land/std@0.188.0/json/common.ts": "ecd5e87d45b5f0df33238ed8b1746e1444da7f5c86ae53d0f0b04280f41a25bb",
+    "https://deno.land/std@0.188.0/jsonc/mod.ts": "b88dce28eb3645667caa856538ae2fe87af51410822544a0b45a4177ef3bd7dd",
+    "https://deno.land/std@0.188.0/jsonc/parse.ts": "2910e33bc7c3b243e3b6f3a39ce4d6ca84337b277a8df6f2ad2d9e4adbcddc08",
     "https://deno.land/std@0.188.0/path/_constants.ts": "e49961f6f4f48039c0dfed3c3f93e963ca3d92791c9d478ac5b43183413136e0",
     "https://deno.land/std@0.188.0/path/_interface.ts": "6471159dfbbc357e03882c2266d21ef9afdb1e4aa771b0545e90db58a0ba314b",
     "https://deno.land/std@0.188.0/path/_util.ts": "d7abb1e0dea065f427b89156e28cdeb32b045870acdf865833ba808a73b576d0",