diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/SoundObject.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/SoundObject.java
index 4acfe5ff..ace91e51 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/SoundObject.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/SoundObject.java
@@ -36,7 +36,7 @@ public class SoundObject {
         }
 
         this.sound = sound;
-        this.key = key;
+        this.key = key.toLowerCase();
 
         volume = split.length > 1 ? Float.parseFloat(split[1]) : 1;
         pitch = split.length > 2 ? Float.parseFloat(split[2]) : 1;