--- a/servo/components/style/values/computed/font.rs
+++ b/servo/components/style/values/computed/font.rs
@@ -469,17 +469,17 @@ impl SingleFontFamily {
 
         match family.mType {
             FontFamilyType::eFamily_sans_serif => SingleFontFamily::Generic(atom!("sans-serif")),
             FontFamilyType::eFamily_serif => SingleFontFamily::Generic(atom!("serif")),
             FontFamilyType::eFamily_monospace => SingleFontFamily::Generic(atom!("monospace")),
             FontFamilyType::eFamily_cursive => SingleFontFamily::Generic(atom!("cursive")),
             FontFamilyType::eFamily_fantasy => SingleFontFamily::Generic(atom!("fantasy")),
             FontFamilyType::eFamily_moz_fixed => {
-                SingleFontFamily::Generic(Atom::from("-moz-fixed"))
+                SingleFontFamily::Generic(atom!("-moz-fixed"))
             },
             FontFamilyType::eFamily_named => {
                 let name = Atom::from(&*family.mName);
                 SingleFontFamily::FamilyName(FamilyName {
                     name,
                     syntax: FamilyNameSyntax::Identifiers,
                 })
             },