diff --git a/proxmox-api-macro/src/util.rs b/proxmox-api-macro/src/util.rs
index d58a6838..1eba31fa 100644
--- a/proxmox-api-macro/src/util.rs
+++ b/proxmox-api-macro/src/util.rs
@@ -701,7 +701,7 @@ pub fn derived_items(attributes: &[syn::Attribute]) -> DerivedItems {
 
 /// Helper to check if a certain trait is being derived.
 pub fn derives_trait(attributes: &[syn::Attribute], ident: &str) -> bool {
-    derived_items(&attributes).any(|p| p.is_ident(ident))
+    derived_items(attributes).any(|p| p.is_ident(ident))
 }
 
 /// Iterator over the types found in `#[derive(...)]` attributes.