diff --git a/src/query/fns/aggregate.rs b/src/query/fns/aggregate.rs
index 810bee35e42e9d44d7475114e1162ddf102d5151..0f0410ace449ef793f70057a3b900bad126b2c74 100644
--- a/src/query/fns/aggregate.rs
+++ b/src/query/fns/aggregate.rs
@@ -16,6 +16,7 @@ use std::fmt::Display;
 /// Type that represents an aggregate function, also known as the aggregation operator in PromQL
 ///
 /// Unlike other functions, this provides a modifier [`by`](Self::by) and [`without`](Self::without). Only one can be used at once.
+#[derive(Debug, Clone)]
 pub struct AggrFunc<'a, F: Fn(&mut fmt::Formatter) -> fmt::Result> {
     inner: QryFunc<F>,
     mod_type: Mod<'a, AggrType>,
diff --git a/src/query/fns/mod.rs b/src/query/fns/mod.rs
index d2760d1eac9d7d4186f1d0b87891cf629a469b47..540b767b720998a27678bec1267263370334bd60 100644
--- a/src/query/fns/mod.rs
+++ b/src/query/fns/mod.rs
@@ -44,7 +44,7 @@ pub(crate) use qry_fn;
 /// Type that represents a query function. Meant to be constructed through the query functions provided in the [`fns`](crate::query::fns) module.
 ///
 /// This internally holds an actual function (closure), that acts as a type that implements the `Display` trait.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Copy)]
 pub struct QryFunc<F: Fn(&mut fmt::Formatter) -> fmt::Result> {
     name: &'static str,
     args: F,