diff --git a/components/script/dom/htmlmetaelement.rs b/components/script/dom/htmlmetaelement.rs
index e94a5e1ff33..31e53aad377 100644
--- a/components/script/dom/htmlmetaelement.rs
+++ b/components/script/dom/htmlmetaelement.rs
@@ -5,7 +5,7 @@
 use dom_struct::dom_struct;
 use html5ever::{LocalName, Prefix, local_name, ns};
 use js::rust::HandleObject;
-use style::str::HTML_SPACE_CHARACTERS;
+use style::{attr::AttrValue, str::HTML_SPACE_CHARACTERS};
 
 use crate::dom::attr::Attr;
 use crate::dom::bindings::codegen::Bindings::HTMLMetaElementBinding::HTMLMetaElementMethods;
@@ -108,7 +108,15 @@ impl HTMLMetaElement {
             .get_attribute(&ns!(), &local_name!("content"));
         if let Some(attr) = content {
             let attr = attr.value();
-            let attr_val = attr.trim();
+            let attr_val = match &*attr {
+                AttrValue::TokenList(_, list) => {
+                    let Some(last_atom) = list.last() else {
+                        return;
+                    };
+                    last_atom.trim()
+                },
+                a => a.trim(),
+            };
             if !attr_val.is_empty() {
                 doc.set_referrer_policy(determine_policy_for_token(attr_val));
             }