diff --git a/crates/gosub_css3/src/parser/url.rs b/crates/gosub_css3/src/parser/url.rs
index 7626494b..b64b620e 100644
--- a/crates/gosub_css3/src/parser/url.rs
+++ b/crates/gosub_css3/src/parser/url.rs
@@ -1,7 +1,6 @@
 use crate::node::{Node, NodeType};
 use crate::tokenizer::TokenType;
 use crate::Css3;
-use cow_utils::CowUtils;
 use gosub_shared::errors::CssError;
 use gosub_shared::errors::CssResult;
 
@@ -12,7 +11,7 @@ impl Css3<'_> {
         let loc = self.tokenizer.current_location();
 
         let name = self.consume_function()?;
-        if name.cow_to_ascii_lowercase() != "url" {
+        if !name.eq_ignore_ascii_case("url") {
             return Err(CssError::with_location(
                 format!("Expected url, got {:?}", name).as_str(),
                 self.tokenizer.current_location(),