diff --git a/mappings/net/minecraft/util/collection/DefaultedList.mapping b/mappings/net/minecraft/util/collection/DefaultedList.mapping
index 6c034a5a45..04c3727f91 100644
--- a/mappings/net/minecraft/util/collection/DefaultedList.mapping
+++ b/mappings/net/minecraft/util/collection/DefaultedList.mapping
@@ -5,7 +5,7 @@ CLASS net/minecraft/class_2371 net/minecraft/util/collection/DefaultedList
 		ARG 1 delegate
 		ARG 2 initialElement
 	METHOD add (ILjava/lang/Object;)V
-		ARG 1 value
+		ARG 1 index
 		ARG 2 element
 	METHOD get (I)Ljava/lang/Object;
 		ARG 1 index