diff --git a/src/main/java/cn/nukkit/command/defaults/EnchantCommand.java b/src/main/java/cn/nukkit/command/defaults/EnchantCommand.java
index e262a9ca62a..f8ee9c189cc 100644
--- a/src/main/java/cn/nukkit/command/defaults/EnchantCommand.java
+++ b/src/main/java/cn/nukkit/command/defaults/EnchantCommand.java
@@ -78,6 +78,7 @@ public boolean execute(CommandSender sender, String commandLabel, String[] args)
     }
 
     public int getIdByName(String value) throws NumberFormatException {
+        value = value.toLowerCase();
         switch (value) {
             case "protection":
                 return 0;