fix wrong max id for registries

1 files changed, 1 insertions, 1 deletions

diff --git a/azalea-registry/azalea-registry-macros/src/lib.rs b/azalea-registry/azalea-registry-macros/src/lib.rs
index 748054db..0ad03900 100644
--- a/azalea-registry/azalea-registry-macros/src/lib.rs
+++ b/azalea-registry/azalea-registry-macros/src/lib.rs
@@ -87,7 +87,7 @@ pub fn registry(input: TokenStream) -> TokenStream {
         }
     });
 
-    let max_id = input.items.len() as u32;
+    let max_id = input.items.len() as u32 - 1;
 
     let doc_0 = format!("Transmutes a u32 to a {name}.");
     let doc_1 = format!("The `id` should be at most {max_id}.");