diff --git a/src/lib.rs b/src/lib.rs
index 018d88a..0b9cd57 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -224,7 +224,7 @@ pub struct GGUFMetadataArrayValue {
 }
 
 /// serialize_array
-fn serialize_array<S>(v: &Vec<GGUFMetadataValue>, s: S) -> Result<S::Ok, S::Error>
+fn serialize_array<S>(v: &[GGUFMetadataValue], s: S) -> Result<S::Ok, S::Error>
 where
     S: serde::Serializer,
 {