diff --git a/mappings/net/minecraft/command/arguments/serialize/LongArgumentSerializer.mapping b/mappings/net/minecraft/command/arguments/serialize/LongArgumentSerializer.mapping
new file mode 100644
index 0000000000..a0fa08de47
--- /dev/null
+++ b/mappings/net/minecraft/command/arguments/serialize/LongArgumentSerializer.mapping
@@ -0,0 +1 @@
+CLASS net/minecraft/class_4461 net/minecraft/command/arguments/serialize/LongArgumentSerializer