1 files changed, 3 insertions, 2 deletions
diff --git a/src/model/eval.rs b/src/model/eval.rs
index 6e118f8a..225c5e7a 100644
--- a/src/model/eval.rs
+++ b/src/model/eval.rs
@@ -5,6 +5,7 @@ use std::mem;
 use std::path::{Path, PathBuf};
 
 use comemo::{Track, Tracked, TrackedMut};
+use ecow::EcoVec;
 use unicode_segmentation::UnicodeSegmentation;
 
 use super::{
@@ -797,7 +798,7 @@ impl Eval for ast::Array {
     fn eval(&self, vm: &mut Vm) -> SourceResult<Self::Output> {
         let items = self.items();
 
-        let mut vec = Vec::with_capacity(items.size_hint().0);
+        let mut vec = EcoVec::with_capacity(items.size_hint().0);
         for item in items {
             match item {
                 ast::ArrayItem::Pos(expr) => vec.push(expr.eval(vm)?),
@@ -1032,7 +1033,7 @@ impl Eval for ast::Args {
     type Output = Args;
 
     fn eval(&self, vm: &mut Vm) -> SourceResult<Self::Output> {
-        let mut items = Vec::new();
+        let mut items = EcoVec::new();
 
         for arg in self.items() {
             let span = arg.span();