diff --git a/components/style/properties/longhands/inherited_text.mako.rs b/components/style/properties/longhands/inherited_text.mako.rs
index e7cfbba377b..b943b53b798 100644
--- a/components/style/properties/longhands/inherited_text.mako.rs
+++ b/components/style/properties/longhands/inherited_text.mako.rs
@@ -332,6 +332,7 @@ ${helpers.single_keyword(
     "space-around start center space-between",
     engines="gecko",
     animation_value_type="discrete",
+    gecko_enum_prefix="StyleRubyAlign",
     spec="https://drafts.csswg.org/css-ruby/#ruby-align-property",
 )}