diff --git a/README.md b/README.md
index 4c6fc0c..6349be3 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # GDPS SFX convert API
-## This API converts SFXs to OGG to use it properly in Geometry Dash.
+### This API converts SFXs to OGG to use it properly in Geometry Dash.
 
 ### How to run:
 1. Use [**my dashboard**](https://github.com/MegaSa1nt/GMDprivateServer)
diff --git a/gcs.js b/gcs.js
index 1187086..0608e08 100644
--- a/gcs.js
+++ b/gcs.js
@@ -146,7 +146,8 @@ function checkQuery(song) {
 	if((typeof song.body.name == 'undefined' || !song.body.name.length) ||
 	(typeof song.body.server == 'undefined' || !song.body.server.length) ||
 	(typeof song.body.token == 'undefined' || !song.body.token.length) ||
-	(typeof song.file == 'undefined') || config.mode == config.domainlist.includes(song.body.server.split('://')[1].split('/')[0])) return false;
+	(typeof song.file == 'undefined') || config.mode == config.domainlist.includes(song.body.server.split('://')[1].split('/')[0]) ||
+	(song.file.mimetype != "audio/mpeg" && song.file.mimetype != "audio/mp3")) return false;
 	return true;
 }
 
diff --git a/package.json b/package.json
index 7c1d0c4..0a56f18 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sa1nt.sfx",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "This API converts SFXs for GDPSs to OGG to be able to use it in Geometry Dash properly.",
   "main": "gcs.js",
   "scripts": {